NEED HELP ASAP 30 POINTS!!!Label the parts of this atom

Answers

Answer 1

Answer: The black ones are protons the white ones are neutrons and the black ones on the circle edge thing is electrons!

Answer 2

Answer:

1. Nucleus

It is the centre of the atom wherein the most of the mass exist also it consists of neutrons and protons.

2. Neutrons

Neutrons are chargeless particles present inside of the nucleus .

3. Electrons

Electrons are negatively charged particles revolving around the nucleus.

4. Protons

Protons are positivity charged particles inside of nucleus. The number of protons = The number of Electrons ( here ,3) .

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Related Questions

Pentane, C5H12, will react as shown below:____C5H12(l) + ____O2 --- ______CO2 +_______ H2OH20(g)1. Balance the equation above by putting coefficients into each blank space.1C5H12+ 8O2----- 5CO2+ 6 H2O (this is what I got)2. How many atoms of oxygen are in 144 grams of pentane?step 1: 144g of C5H12*(1mole/72.17)= 1.995moles of C5H12step 2: 1.995moles of C5H12*(8moles of O2/1mole of C5H12)= 15.962 moles of O2step 3: 15.962 moles of O2*(6.02*10^23 atoms of O2/1mole of O2)= 9.609*10^24 atoms of O2 (I don't know if I did this right)3. How many atoms of oxygen are in 192 grams of carbon dioxide gas?step 1: 192 grams of CO2 *(1mole of CO2/44.01grams of CO2)= 4.363 moles of CO2step two: 4.36moles of CO2* ( 1 mole of O2/1mole of CO2)= step 3: 4.363* (6.02*10^23) = 2.627*10^24 atoms of O2 (I don't know if this is correct.4. A) CIRCLE ONE: True or False:reactant you begin with fewer grams of is your limiting reactant.B) If 32 g of oxygen gas and 32 g of pentane are combined, how much water will be produced, in moles? (Use your reaction from the top of the first page)NEED HELP ASAP THANK YOU!!!
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How many moles are present in a 24.5 gram sample of K2Cr2O7?

What organisms appeared on Earth First?a). gastropods
b). horn corals
c). brachiopods
d). crinoids

Answers

it is B because horn coals are bigger and I read it in a book

Which of the following processes are exothermic and which are endothermic? a) frost forms on a car window in winter; b) water condenses on a glass of ice water on a humid summer afternoon; c) adding ammonium nitrate to water causes the temperature of the solution to decrease

Answers

Endothermic reactions are reactions that proceed by the absorption of heat (energy) while exothermic reactions involve a release of energy.

a) Formation of frost on a car window in winter is an exothermic process as heat is liberated when liquid water freezes to form crystals

b) Formation of water condensate on a glass of ice water is an endothermic reaction since heat is absorbed by the cold water from the glass container thereby cooling it.

c) A decrease in the temperature as ammonium nitrate is added to water is an endothermic reaction

a) and b) are exothermic processes because they release heat to the surroundings. c) is an endothermic process because it absorbs heat from the surroundings.

Which of the following processes are exothermic and which are endothermic?

Let's analyze each option:

a) Frost forms on a car window in winter: Exothermic

Frost forming is an exothermic process because it releases heat as water vapor in the air condenses and freezes on the cold car window, giving off energy in the form of heat to the surroundings.

b) Water condenses on a glass of ice water on a humid summer afternoon: Exothermic

Similar to the first scenario, water condensation is exothermic. As water vapor from the humid air comes into contact with the cold glass of ice water, it condenses into liquid water, releasing heat to the surroundings.

c) Adding ammonium nitrate to water causes the temperature of the solution to decrease: Endothermic

This process is endothermic because dissolving ammonium nitrate in water absorbs heat from the surroundings, causing the temperature of the solution to decrease.

Learn more about exothermic and endothermic processes:

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Which statement describes one acid-base theory?

Answers

A base is an H⁺ acceptor, whereas an acid is an H⁺ donor. Acidic chemicals are typically recognized by their sour flavor.

What is acid-base theory?

Any hydrogen which contains a compound capable of giving a proton to another material is described as an acid. An ion and molecule that can receive a hydrogen ion from that of an acid is known as a base. Acidic chemicals are typically recognized by their sour flavor.

In essence, an acid is a substance that has the capacity to donate an H⁺ ion plus maintain its energetic favorability even after losing an H⁺ ion. It is well known that acids may change blue litmus into red. Bases, on the other hand, have a slick consistency and a bitter flavor. A base is an H⁺ acceptor, whereas an acid is an H⁺ donor.

Therefore, a base is an H⁺ acceptor, whereas an acid is an H⁺ donor.

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An acid is an H+ donor, and a base is an H+ acceptor. Good luck!

What is used up in and stops a chemical reaction?

Answers

Answer:

This question is incomplete but the completed question is below

What is used up in and stops a chemical reaction? (a) percent yield (b) limiting reactant (c) theoretical yield (d) excess reactant

The correct option is (b)

Explanation:

A chemical reaction is a chemical combination,rearrangement or disintegration of chemical substance(s) (called reactants) to form new chemical substance(s) (called products).

A limiting reactant is the reactant that is totally used up during the course of a reaction. When this reactant is used up, it limits the amount of products formed and eventually stops the chemical reaction.

The chemical reaction does not stop until the reagent is used .

I hope that's help !

A type of cake based on egg-white foam and containing no fat: a) Angel food cake b) Sponge cake c) Pound cake d) Butter cake

Answers

Answer:

a.) Angel food cake

Explanation:

The correct answer is a) Angel food cake. It is a type of cake made from egg-white foam and contains no fat.

Why do gases take up so much space?

Answers

Gases take up so much space because the gas molecules are vibrating and moving very fast and in order to do this the molecules should as far as they could be to each other. They occur at low pressures and high temperatures where they can move freely in a container.

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