Which of the following elements has the smallest atomic radius?

Group of answer choices

Nitrogen

Oxygen

Fluorine

Carbon

Answers

Answer 1

Answer:

Fluroine

Explanation:

Answer 2

Answer:

Fluorine

Explanation:

Nitrogen atomic radius: 155 pm

Oxygen atomic radius: 152 pm

Fluorine atomic radius: 147 pm

Carbon atomic radius: 170 pm

Therefore, fluorine has the smallest atomic radius.


Related Questions

Balance equations practice

Answers

Answer:

1 - B)    2 - B)     3 - A)

Explanation:

1. C3H8 + 5O2 → 3CO2 + xH2O.. Find 'X'.    

A) 3

B) 4

C) 5

D) 6

2. 4Al + 3O2 → xAl2O3. Find 'X'

A) 3

B) 2

C) 4

D) 5

3.  FeCl3 + 3NaOH → Fe(OH)3 + xNACl. Find 'x'

A)3

B) 4

C)5

D)6

More in Next Question...

Please help, I'll give brainiest

Coffee is a solution containing caffeine, acids, alkaloids, water, phenols, and many other chemicals. The solvent in the coffee solution is (1) __________ and the rest of the chemicals dissolved in the solvent are called (2)_________.


3. What is the difference between a saturated solution and a supersaturated solution?


4. Is the following molecule, polar or nonpolar?

5. 12 eggs can be referred to as one dozen eggs.
______________ particles can be referred to as one mole of particles.

6.
The pH of a strong acid might be _____ while the pH of a strong base might be _____
The pH of pure water is _____.

7. What would be the pH of .002 moles of HNO3 dissolved in 2 L of water?

8. A base has a pH of 8.5. What is the concentration of OH- ions in the solution?

Answers

Solutes dissolve in solvents to form a solution. A saturated solution contains just as must solute as it can normally hold.

The solvent in the coffee solution is water and the rest of the chemicals dissolved in the solvent are called solutes. A solution is formed when a solute is dissolved in a solvent.

A saturated solution contains just as much solute as it can normally hold at a particular temperature while a supersaturated solution contains more solute than it can normally hold at a particular temperature.

A polar molecule contains covalent bonds between atoms having an electronegativity difference above 0.5. Such molecules are polar as electrons of the bond are drawn closer to the atom that is more electronegative.

According to Avogadro's law; 6.02 × 10^23 particles is referred to as one mole of particles.

A strong acid has a pH that may range from 0 - 3. A strong base has a pH of around 10 - 14. Water is a neutral substance and has a pH of 7.

From the information provided;

Number of moles of acid = 0.002 moles

Volume of solution=  2 L

Concentration of solution = number of moles/volume = 0.002 moles/2L = 0.001 M

pH = - log[H^+]

pH = - log[0.001 ]

pH = 3

From;

pH + pOH = 14

pOH = 14 - pH

pOH = 14 - 8.5

pOH = 5.5

pOH = - log[OH^-]

[OH^-] = Antilog[-5.5]

[OH^-] = 3.2 × 10^-6 M

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A cube measuring 1cm x 1cm x 1cm is full of water, What is the mass of the water in the cube? (Water has a density of 1.0)

Answers

d= m/v

1.0=m/1cm^3

1.0×1cm^3=m

m=1kg/cm^3

2. In what state are particles spread farthest apart?
A)solid
B)liquid
C)gas
3. How does thermal energy explain your answer to #2?

Answers

Answer:

In what state are particles spread farthest apart? Answer= Gas

How does thermal energy explain your answer to #2?

When something is hot and/or warm its moving fast like the steam u see on a cup of tea , it travels faster than any other state of matter.

Explanation:

hope i helped

on an energy diagram, where is a stable equilibrium point?

Answers

Answer:

1.2

Explanation:

which compound would have the lowest melting point?

Answers

The chemical with the lowest point is helium

Which of the substances shown below most likely exhibit hydrogen bonding with other identical
molecules? Check all that apply.
H
Н
Н.
Н
Н
H
H
но
N-C-C
Hн 0-Н
Н
Н
H
Н
H
DONE
Intro
TE

Answers

Answer:

b and c

Explanation:

did it on edge

a gas is at 35.0°c and 3.50 l. what is the temperature at 7.00 l?

Answers

Answer:

363C

Explanation:

V = KT  and T = V/K

3.5=k(35+273) = 308k

k=3.5/308 =0.011

new T=7.0/0.011=636K = 636-273 =363C

ANSWER THIS WORKSHEET ALSO I WILL GIVE BRAINIEST

If the statement is true, write true. If the statement is false, change the underlined word
or words to make the statement true.
1. An element’s mass number tells the number of protons in its
nucleus.
2. Negatively charged particles in an atom are called electrons.
3. The cloud model of the atom describes the location of
electrons as specific orbits around the nucleus.
4. Atoms with the same number of protons but different numbers
of neutrons are called isomers.
5. The sum of the protons and neutrons in an atom is called the
atomic number.
6. An object that helps explain ideas about the natural world is
called a model.

Fill in the blank to complete each statement.
7. The positively charged particle of an atom is called a(n) .
8. A particle with no charge is a(n) .
9. A(n) is the particle of an atom that moves rapidly in the
cloudlike region around the nucleus.
10. The tells the number of protons in the
nucleus of every atom of an element.
11. Atoms of the same element that have the same number of protons but different
numbers of neutrons are called .
12. The sum of protons and neutrons in the nucleus of an atom is the
.

Write the letter of the correct answer on the line at the left.

13. The positively charged particle in an atom’s nucleus is the
A electron
B neutron
C proton
D isotope

14. The smallest particle an element can be divided into is the
A electron
B neutron
C isotope
D atom
15. An element’s identity can be determined from its
A atomic number
B number of neutrons
C number of isotopes
D energy levels

16. The model of the atom that described electrons scattered throughout a ball of positive charge was proposed by
A Niels Bohr
B Ernest Rutherford
C J. J. Thomson
D John Dalton

Answers

Answer:

5. An element's mass number tells the number of protons in its nucleus.

Atomic

6. Negatively charged particles in an atom are called electrons.

True

7. The cloud model of the atom describes the location of electrons as specific orbits around the nucleus.

Bohr

8. Atoms with the same number of protons but different numbers of neutrons are called isomers.

Isotopes

9. The sum of the protons and neutrons in an atom is called the atomic number.

Mass

10. An object that helps explain ideas about the natural world is called a model.

True

11. Mendeleev arranged his periodic table in order of increasing atomic number.

Mass

12. The rows in the periodic table are called periods.

True

13. Moving across the periodic table from left to right, one finds, in order, metals, then gases, then nonmetals.

Metalloids

14. Another name for a period is a family.

Group

15. On the periodic table, elements in the same column have similar properties.

True

Explanation:

Nung 20 g CaCO3 và hấp thụ hoàn toàn khí CO2 sinh ra vào 0,5 lit dung dịch NaOH 0,56 M .Tính nồng độ mol của muối thu được

Answers

Answer:

nCaCO3 = 20/100 = 0,2 mol

CaCO3 --> CaO + CO2

0,2 ----------------> 0,2

nNaOH = 0,5.0,56 = 0,28 mol

=> T = nNaOH/nCO2 = 0,28/0,2 = 1,4

=> sản phẩm tạo ra bao gồm : Na2CO3 và NaHCO3

NaOH + CO2 --> NaHCO3

x -------> x --------> x

2NaOH + CO2 --> Na2CO3 + H2O

y ---------> 1/2y ---> 1/2y

ta có : nCO2 = nMuối = 0,2 mol

=> CmMuối = 0,2/0,5 = 0,4 M

Using the periodic table, complete the ya me to describe each atom. Type in your answers.

Answers

Answer:

Explanation:

Using the periodic table, complete the table to describe each atom. Type in your answers. - 14514242.

1- Calcium Hydroxide + Calcium Bicarbonate

2- Calcium Bicarbonate + Sodium Carbonate

3- Calcium Sulphate + Sodium Carbonate

4- Sodium compound + Calcium Sulphate

5- Carbon dioxide + Calcium Carbonate

6- Calcium Bicarbonate + Calcium Carbonate​

Answers

Remember these followings :-

Acid + Base = salt + water

Acid + metal = salt + hydrogen

Acid + carbonates = salt + water + carbon dioxide

Base + ammonium salt = salt + ammonia + water

Base + acidic oxide = salt + water

I hope that you will be clear via these formulas.

Which law specifically combines volume, pressure, and temperature only?
Charles's Law
Gay-Lussac's Law
Combined Gas Law
Ideal Gas Law

Answers

Answer:

Boyles law

Explanation:

I think that is combined gas law.

2.What two factors must be held constant for density to be a constant ratio?

Answers

Answer:

Temperature and Pressure

Explanation:

Temperature and pressure cause change in volume.

So any change in volume will alter the ratio of density as given by equation of density.

Density = mass/ volume

Change in volume will alter the ratio.

Kindly mark it branliest if the answer is little bit satisfying.

The two (2) factors which must be held constant for density to be a constant ratio are:

I. The temperature of a sample or physical substance.

II. The pressure around the sample or physical substance.

Density can be defined as mass all over the volume of of a sample or physical substance.

Basically, density is mass per unit volume of of a sample or physical substance.

Mathematically, the density of a of a sample or physical substance is given by the formula;

[tex]Density = \frac{Mass}{Volume}[/tex]

The density of a sample or physical substance is directly proportional to pressure and inversely proportional to temperature.

This ultimately implies that, an increase in pressure with temperature being constant would cause an increase in density and vice-versa.

Conversely, a decrease in temperature with pressure being constant would cause an increase in density and vice-versa.

In conclusion, a change in volume of a substance is caused by both temperature and pressure.

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Discussion Question: Your classmate said,
"I think Gold is a pure substance that can't be broken down any further
Do you agree or disagree with this statement. Explain your reasoning using clues from the statement and the periodic
table.

Answers

Answer:

yes gold is pure

Explanation:

Will give BRAINLY if right

Which response is specific to the presence of pathogens in the body?

inflammation


vaccination


production of antibodies


production of viruses

Answers

Answer:

production of antibodies

Answer:

C

Explanation:

The body will start to make antibodies to rid of the "invasion".

So the answer is C

determine the velocity of a 55-kg skier whose kinetic energy is 8900 J

Answers

Answer:

Kinetic energy = 1/2mv^2

8900 j =1/2*55*v^2

v^2=8900*2/55

v^2=323.6

v=17.98

Explanation:

what is the condensed electron configuration for nitrogen

Answers

Answer:

In writing the electron configuration for nitrogen the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for N goes in the 2s orbital. The remaining three electrons will go in the 2p orbital. Therefore the N electron configuration will be 1s22s22p3.

Explanation:

hope you get it right:)

Answer:

the electron configuration for N will be 1s^2 2s^2 2p^3

24. Predict the ions that form when magnesium(group IIA) and nitrogen (group VA) react::

Answers

Answer: Mg²⁺ & N³⁻

Explanation:

Magnesium (group IIA) loses two electrons to become a cation. This is the most energetically favorable way for Magnesium to obtain a valence electron that is stable (octet). When an atom loses electrons it has a positive charge that matches the number of electrons lost.

Nitrogen (group VA) gains three electrons to become an anion. This is the most energetically favorable way for Nitrogen to obtain a valence electron that is stable (octet). When an atom gains electrons it has a negative charge that matches the number of electrons gained.

The aqueous fluid outside of a cell is known as
fluid.
O interstitial
O intracellular
O semipermeable
O desmotic

Answers

The answer is: Interstitial. Intracellular is wrong - it refers to inside of the cell.

Mg + 2HCl ---> MgCl2 + H2
How many grams of MgCl2 would result from a reaction involving 24.31 g of Mg?​

Answers

assumed that all of the initial Mg had reacted, therefore the total amount of Mg had transferred into Mg2+ in MgCl2

Molar mass for Mg is 24.31 g/mole and MgCl2 is 95.21 g/mole

--> nMgCl2= nMg = 24.31 g ÷ 24.31 g/mole = 1 mole

--> so the mass of MgCl2 = 1 mole × 95.21 g/mole = 95.21 g

DO the following conversion ​

Answers

Answer:

Kim Sam Mi Da!!

Explanation:

Da Mi Sam Kim!!

Someone pls help me I will make you brain

Answers

Answer:

i think it's freezing of permafrost. so sorry if it's wrong lol

is a paper clip homogeneous or heterogenous? substance or mixture? solution, colloid, suspension?

Answers

Explanation: It is an alloy, very probable, not homogeneous.

                  A metal paper clip is usually steel, an alloy of iron, carbon, and other elements in various amounts.  A plastic paper clip is composed of a polymer, a very complex compound.

                   A paper clip is a Colloid

i guess this helped you pls mark me as brainliest

Thực hiện chuỗi phản ứng sau: CaCO, CaO CaSO, SO₂ → K₂50₂

Answers

Answer:

nnhnhgnklhnhmkghklmfmg

Explanation:

cvgngh kcvl vl gkh kn hg

hi. i need help with this. i lack with this subject

Answers

Answer: It's the circulatory system

Explanation:

in order for a circuit work there can be no _______ within the circuit?

Answers

I’m not very good at this subject, however I have a idea of what it could be but if wrong My apologies “ Placed wires “.

Have a blessed day and God bless.

what color change is anticipated over the course of the reaction?

Answers

Answer:

can't help you sorry bye

What does it mean when two solid objects take up different spaces?

They have different masses.
They have different volumes.
They have different temperatures.
They have different weights.

Answers

Answer:

I'm pretty sure it's they have different masses. I don't know though

Explanation:

Which factor of production would water be considered?
A) Land
B)Labor
C) capital
D)entrepreneurship

Answers

Explanation:

land.

I think it is the answer

Answer:

land .......................

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Is this a past life? No. Quickly, I stumble to a bench near a stone wall. This is crazy! The extraordinary sounds, unrecognizable smells, and unbelievable sights around me are almost too much to take in. Where am I? I close my eyes and sit very still thinking about what is going on and what Im going to do about my bizarre situation. I hear my name being shouted. Again someone is trying to wake me up. Im awake, my mind shouts back. Slowly, I look up to see my friends crowding around me. You wont believe where I have been, I tell them. I dont know if I believe it either.The genre of this passage is:FictionNon-fictionBiographyFairytale DIRECTIONS: Matching Match each item in Column A with an item in Column B.Write the correct letters in the blanks. (3 points each)Column AColumn B1. policy that sought peace and stability by satisfying the A. Axis Powersreasonable demands of dissatisfied powersB. "Mukden2. 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