Chemistry High School

What part of the atom tells you what element it is?
Number of electrons
Number of Photons (the light particle)
Number of Neutrons
Number of Protons

What Part Of The Atom Tells You What Element It Is?Number Of ElectronsNumber Of Photons (the Light Particle)Number

Answers

Answer 1

Answer: I believe it is the number of protons.

Related Questions

Where do elements in the human body tend to be located on the PERIODIC TABLE? (NOT PERCENTAGES PLEASE)​

Answers

Answer:

Oxygen, Carbon, Hydrogern, Nitrogen, Sulfur, and Chlorine are all non-metals

Calcium, Potassium, Sodium, and Magnesium are all metals

Explanation:

The human body is made of elements at the most simple level. Oxygen in group 16, carbon in group 14, hydrogen located in group 1, and nitrogen and phosphorus in group 15.

What are the elements of the body?

The body is composed of elements and atoms at the most preliminary level of organization. The elements are placed in a periodic table based on the atomic number that is characteristic of their properties. The elements are arranged into 18 families and groups.

oxygen is located in group 16, carbon in group 14hydrogen in group 1nitrogen in group 15calcium in group 2potassium in group 1sulfur in group 16sodium in group 1chlorine in group 17magnesium in group 2

Therefore, elements are classified as alkali metals, alkaline metals, nonmetals, noble gases, halogens, and transition metals.

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PLEASE HELP

How many electrons can be held in a sublevel n=4?

Answers

it can hold 32 electrons

another science question plz answer ASAP b/c its timed

Answers

Answer:

D

Explanation:

What is true of both galvanic and electrolytic cells?
A. Reduction happens at the cathode.
B. They are spontaneous. .
C. They are nonspontaneous.
D. Oxidation happens at the cathode.​

Answers

Answer:

reduction happens at the cathode

Explanation:

Just took the test.

Reduction happens at the cathode. Hence, option A is correct.

What is an electrolytic cell?

An electrolytic cell converts electrical energy into chemical energy or vice versa.

Oxidation-reduction reactions are balanced by two half overall chemical equations into an oxidation equation and a reduction equation.

Hence, reduction happens at the cathode in both galvanic and electrolytic cells.

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true or false, vaporization that occurs at the surface of a liquid is called evaporation

Answers

Answer:

True

Explanation:

Vaporization that happens below the surface is boiling, above the surface is evaporation :)

Answer:

True

Explanation:

it evaporates because of the temperature difference

atoms are so small that approximately _________ of them can fit on the head of a needle?

Answers

Answer:

5 million

Explanation:

Theme parks can snap a crystal clear picture of you on a roller coaster at 70 mph, but bank cameras can't get a clear shot of a robber standing still.

bruh.

Answers

I KNOW RIGHTTTTT!!!!

Answer:

I know right

Explanation:

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An oxide of arsenic contains 3.26 g of arsenic and 1.04 g of oxygen. What is the empirical formula for this oxide?

Answers

The empirical formula for this oxide : As₂O₃

Further explanation:

Given

mass of Arsenic=3.26 g

mass of Oxygen = 1.04 g

Required

The empirical formula

Analysis

find mole of elementsdetermine the ratio of each element

Solution

mol of Arsenic(MW=74,9216 u) :

[tex]\tt mol=\dfrac{3.26}{74,9216}=0.0435[/tex]

mol of Oxygen(MW=15.999 u) :

[tex]\tt mol=\dfrac{1.04}{15.999}=0.065[/tex].

The ratio for each element (divide by smaller mol⇒Arsenic)

Arsenic : Oxygen :

[tex]\tt \dfrac{0.0435}{0.0435}\div \dfrac{0.065}{0.0435}=1\div 1.5\rightarrow 2\div 3[/tex]

The empirical formula : As₂O₃

Condensation point AND freezing point of oxygen in C and F?

Answers

Answer:54.36 K (−218.79 °C; −361.82 °F)

Explanation:

what type of weather forecasting can forecast from 3-7 days? I NEED ANSWERS FAST!!!

Answers

Answer:

WPC medium range forecasting

Explanation:

How is it determined the highest energy level an atom has
A. By the group number
B. By the period number
C. By the atomic number
D. By the mass number

Answers

Answer:

C. Atomic mass

Explanation:

i just did the quiz and got 100 :) i hope I get brainiest answer

how does skin protect the body from pathogens?
A it produces whit blood cells that reconize and eat pathogens.
b it transsfers pathogens to lymph and blood plasma
c it traps pathogens in oil and seat produced by glands.
d. it has hairs that sweep pathogens away from the body

Answers

Answer:

C: It traps pathogens in oil and sweat

Explanation:

The skin has oil and sweat which kills pathogens as they are like a waterbarrier.

The skin protects the body from pathogens by trapping pathogens in oil and sweat produced by glands. Thus, the correct option for this question is C.

What are Pathogens?

Pathogens may be defined as those living organisms which are capable of inducing diseases in other living organisms including humans. Some examples of pathogens include bacteria, fungi, protozoa, etc.

Skin is considered the first line of defense against pathogens in humans. This is because skin significantly consists of sebaceous and sweat glands that consistently secrete oils and sweat that trap the pathogens and eliminate them from entering the body.

Therefore, the skin protects the body from pathogens by trapping pathogens in oil and sweat produced by glands. Thus, the correct option for this question is C.

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The periodic table includes all of the known elements in the world. How are elements
arranged on the periodic table?
a. by the element's name
b. by their atomic mass
c. by the number of neutrons found in the element
d. by their atomic number

Answers

Answer: D: by their atomic number

Explanation:

Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods

How many grams are there in 2.34x10^23 atoms of Cu?

Answers

Answer 1


Explanation

Because it’s 1

The mass of the 2.34 × 10²³ atoms of copper is equal to 24.68 grams.

What is Avogadro's number?

The Avogadro constant can be defined as the proportionality factor that the number of constituent particles in a sample with the amount of substance.

Avogadro’s number can be described as a dimensionless number that represents the number of entities in one mole of any substance. These elementary entities can be molecules, atoms, ions, electrons, or protons, etc.

Avogadro’s constant has a value approximately equal to 6.022 × 10²³ mol⁻¹.

Given, the number of atoms of copper = 2.34 × 10²³

The atomic mass of Cu Copper = 63.5 g/mol

So 6.022 × 10²³ atoms of Cu have mass = 63.5 g

Then 2.34 × 10²³  Cu atoms will have mass = [tex]\frac{63.5 \times 2.34 \times 10^{23}}{6.02 \times 10^{23}}[/tex] = 24.68 g

Therefore, 24.68 grams of Cu are there in 2.34 × 10²³ atoms of Cu.

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How many moles of sodium hydroxide, NaOH, are in a 35.65 g sample of NaOH?

Answers

Answer:0.8910 mols of NaOH in a 35.65 g sample of NaOH

Explanation:

salks vaccine trail was a double-blind experiment true or false

Answers

Answer:

true

Explanation:

which material allowed house to have highest average internal Temperature? explain your answer

A.Fiberglass
B.Brick
C.Soil ​

Answers

Answer: Brick


Brick retains the most heat out of all the choices.

Describe the classification of electromagnetic radiation.

Answers

Answer:

The EM spectrum

Explanation:

The EM spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency. The common designations are: radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.

PLEASE HELP HURRY ILL MARK BRAINLEST

Answers

Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. ... Plant cells can be larger than animal cells.

Answer correctly please !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!

Answers

Answer:

endothermic or absorb energy

Explanation:

google :)

Endothermic energy. When you don’t know the answer search in goggle :)

Balance: Na2SO4 + Cacl2 → CaSO4 + NaCl

10 points.

Answers

Explanation:

1Na2SO4 + Cacl2 → CaSO4 +2NaCl

Which phrase accurately describes the location of Africa? O mostly in the eastern hemisphere mostly south of the Tropic of Capricorn O borders the Pacific Ocean O lies north of Europe​

Answers

Answer:

mostly in the eastern hemisphere mostly south of the Tropic of Capricorn

Explanation:

The statement which best describes the location of Africa is that it is found

mostly in the eastern hemisphere.

Africa is a continent which comprises of countries such as Nigeria, Ghana,

Kenya etc. It is bounded on the north by the tropic of cancer and towards

the south of the tropic of capricorn.

Africa also lies in the eastern hemisphere and is found to the south of the

European continent.

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If one jellybean weighs 0.350g how many jelly beans are in 504g of jellybeans?

Answers

Answer:

1440g

Explanation:

Divide 504g by 0.350g

What is a probable reason that a trait skips a generation?

Answers

Answer:

A!

Explanation:

Predict the products when aqueous solutions of sodium carbonate and calcium chloride are combined.
A)
SC(aq). CaCN)
B)
NaCl(aq), CaC)
C)
NaCl(aq), CaCO3(s)
D)
Na2CO3(aq). CaCl2(aq)

Answers

ANSWERRRR ISSSS ▼・ᴥ・▼CCCCCC!


How are the functions of the mouth and stomach similar to each other

Answers

Answer:

they both break down food

Explanation:

What is the "mass number"? What does the mass number tell you?

Answers

Total number of protons and neutrons in the atomic nucleus. When you see a periodic table the order is usually the atomic number, the element symbol, the name, and then the atomic mass.

When hydrogen reacts with active metals, it
shares electrons
gains one electron
loses one electron
O loses two electrons

Answers

Atomic hydrogen is very reactive. It combines with most elements to form hydrides (e.g., sodium hydride, NaH), and it reduces metallic oxides, a reaction that produces the metal in its elemental state. ... Almost all metals and nonmetals react with hydrogen at high temperatures.

Identify the following structure as an atom, molecule, or compound molecule.


Hydrogen



A.atoms
B. molecules
C.compound molecules​

Answers

Answer:

A

Explanation:

The answer is A because Hydrogen is an Atom consists of 1 electron only.

Good luck

the reason two atoms would form an ionic compound instead of a covalent compound mainly depends on their

Answers

I believe it depends on they’re electrons, if there was an transfer of electrons/losing or gaining e- it would be ionic and the bond is between M+Nm while Covalent is formed when atoms share e- and the bond is normally between Non-metals Nm+Nm, And Metallic bonds is called the sea of “e-“ and is normally only between Metals M+M
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