CHEMISTRY HIGH SCHOOL

What is the number of proton in chlorine?

Answers

Answer 1
Answer:

Answer:

Atomic Number of Chlorine. Chlorine is a chemical element with atomic number 17 which means there are 17 protons and 17 electrons in the atomic structure.

Explanation:
Answer 2
Answer: The number of protons in chlorine is 17.

Related Questions

A beaker contains three solids: flour, sugar, and baking soda. Whichdescribes the contents of the beaker? *
Gas occupies 30 Liters at 2.0 atm pressure and 27° Celsius. How many moles of gas are present
In any pure sample of CO2, the ratio of the mass of carbon to the mass ofoxygen is always the same. You can justify this ratio by the fact thatcompounds are composed of which of the following?A. Identical molecules created from atoms combined in wholenumber ratiosB. Atoms whose chemical properties do not change during achemical reactionO C. Atoms whose masses do not change during a chemical reactionD. Different molecules which together produce the observedelemental ratios
Nuclear fusion in the sun involves hydrogen (H) atoms combining to form helium (He). A student claims that since the atmosphere contains hydrogen, any fusion reaction on Earth would result in an uncontrolled chain reaction. What is wrong with the student's reasoning?The hydrogen in air is not densely packed enough for an uncontrolled chain reaction. Uncontrolled chain reactions can only happen during nuclear fission. It is impossible to cause a fusion reaction to happen anywhere outside of the sun. We are safe because there is no radioactive hydrogen in the air.
If you put a straw into a glass of water, the straw looks to be bent, although nothing has physically happened to the straw. The term that describes this property of light isA) absorption. B) diffraction. C) reflection. D) refraction.

The pH is a solution remains constant in the presence of a buffer if acid or base is added beyond the buffer capacity. True or false.

Answers

The strong acid and strong base has high rate constant of dissociation. Weak acid and base are the one whose rate constant for the dissociation is low, they do not dissociate readily in water. Therefore, the given statement is false.

What are acid and base?

Acid is a solution which releases H⁺ hydrogen ion when dissolved in water. Base are the solution which releases hydroxide ion OH⁻ ion when dissolved in water. pH is measurement of hydronium ion.

A buffer is a solution containing either a weak acid and its salt or a weak base and its salt, which is resistant to changes in pH. The statement is false. When you add an acid or base in amounts greater than the buffer capacity you no longer have the buffer to influence solution pH.

Therefore, the given statement is false.

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The answer is false. When you add an acid or base in amounts greater than the buffer capacity you no longer have the buffer to influence solution pH

Unicellular organisms are made up of many different cells.

True

False

Answers

False - the answer is in the name. “Unicellular” means one cell.

Why isn't propyne call 1-propyne, but heptene is called 3-heptene

Answers

Propyne has one triple bond between the two carbons HC≡C-CH₃ while heptene has one double bond between two carbons in the chain of the seven carbon atoms.

What are the steps for the IUPAC nomenclature?

The 1st step for the IUPAC name is to select the longest, most substituted carbon chain with a functional substituent chosen. Then the use of the primary suffix indicates the degree of saturation in the structure such as 'ane' or 'ene.

The 'ane' suffix is used for a singlebond while 'ene' suffix is used for a doublebond and 'yne' is used for triple bonds.

Then the identification of the secondary suffix indicates the functional substituent in the molecule which depends on the number of times the same functional substituent is repeated such as di, tri, tetra, etc.

In the structure of heptene, the double bond can be present between any two adjacent carbons. If the double bond is present at the third and 4th carbon then it can be named 3-heptene.

Learn more about IUPAC nomenclature, here:

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the formula for propyne is CH3C-CH and the formula for 1-propyne is CH-CCH3. So it is a matter of redundancy. :)

Which of the following is not an example of a chemical change?.

Answers

Well, I can tell you what a chemical change is and you can get your answer from there. A chemical change is when the very make up of the item is totally changed and can not be changed back. When one compound is converted into a totally new compound having different chemical properties. So... melting an ice cube would be physical and not chemical. Crumbling up a piece of paper would be physical becasue if you uncrumble it, it's still a piece of paper. But Burning paper would be considered chemical becasue now it's ash and you can't get that piece of paper back.  I hope this helps!! c:

Answer:

Baking cake

Explanation:

U welcome

The element carbon is present in all organic compounds. Which reason would explain why there are so many different types of organic compounds? A) Carbon is a nonmetal. B) Carbon has an atomic number of six. C) Carbon can form four covalent bonds. D) Carbon has a total of six electrons.

Answers

The answer is d. Since, carbon can form four covalent bonds it can react with other elements to create other organic compounds. The atomic number doesn't prove anything about organic compounds. The atomic number only says what is the charge of the element.
B) Carbon has anatomicnumber of 6
hope it helps
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How would you ask a girl out. I know that I can use my voice, but I don’t know what to say.

Answers

Answer:

Just go out there and be yourself brother!

Explanation:

If she doesn't like you, she doesn't like the real you, therefore you don't deserve her! lol
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The melting and freezing points of a substance are the same temperature.a. Trueb. False