Question 1

What does the atomic number represent in an atom?

Accepted Answer

The number of protons in the nucleus

Answer

The mass of the atom in grams

Answer

The total number of electrons

Answer

The number of neutrons in the nucleus

Question 2

What is the mass number of an atom?

Accepted Answer

The total number of protons and neutrons in the nucleus

Answer

The number of neutrons only

Answer

The total number of electrons

Answer

The number of protons only

Question 3

If an atom has 4 protons and 3 electrons, what is its net charge?

Accepted Answer

+1

Answer

-1

Answer

0

Answer

+2

Question 4

What do we call an atom that has a net charge?

Accepted Answer

Ion

Answer

Element

Answer

Molecule

Answer

Compound

Question 5

If there are 5 protons and 3 electrons in an atom, what would be its net charge?

Accepted Answer

+2

Answer

-2

Answer

0

Answer

+1

Question 6

What is the charge of a neutral atom?

Accepted Answer

0

Answer

+2

Answer

-1

Answer

+1

Question 7

How many protons are in a carbon atom?

Accepted Answer

6

Answer

4

Answer

8

Answer

12

Question 8

What happens to an atom's charge if it has more electrons than protons?

Accepted Answer

It becomes negatively charged

Answer

It becomes stable

Answer

It remains neutral

Answer

It becomes positively charged

Question 9

Which of the following statements is true about neutrons?

Accepted Answer

They contribute to the mass number but are not counted in the atomic number

Answer

They are always equal in number to protons

Answer

They determine the element's identity

Answer

They are positively charged particles

Question 10

If an atom has 3 protons and 4 neutrons, what is its mass number?

Accepted Answer

7

Answer

3

Answer

4

Answer

8

Question 11

How would you describe an atom with two more electrons than protons?

Accepted Answer

It has a negative charge of -2

Answer

It has a positive charge of +2

Answer

It has no net charge

Answer

It is neutral

Question 12

What do protons have in terms of charge?

Accepted Answer

Positive charge

Answer

Neutral charge

Answer

Negative charge

Answer

No charge

Question 13

What is represented by the letter 'Z' in atomic terminology?

Accepted Answer

Atomic number

Answer

Net charge

Answer

Number of neutrons

Answer

Mass number

Question 14

What do we call an atom that has a net charge?

Accepted Answer

An ion

Answer

A molecule

Answer

A compound

Answer

An isotope

Question 15

If an atom has 4 protons and 5 electrons, what is its net charge?

Accepted Answer

Negative 1

Answer

Negative 2

Answer

Positive 2

Answer

Positive 1

Question 16

What happens when an atom has more protons than electrons?

Accepted Answer

It has a net positive charge

Answer

It loses neutrons

Answer

It becomes neutral

Answer

It has a net negative charge

Question 17

What is net charge in an atom described as?

Accepted Answer

How protons and electrons balance each other out

Answer

The total number of protons

Answer

The number of neutrons vs electrons

Answer

The mass of the atom

Question 18

How is the mass number of an atom calculated?

Accepted Answer

By adding the number of protons and neutrons

Answer

By counting only the electrons

Answer

By subtracting neutrons from protons

Answer

By counting only the protons

Question 19

What does the atomic number of an atom represent?

Accepted Answer

The number of protons in the nucleus

Answer

The total mass of the atom

Answer

The number of neutrons in the nucleus

Answer

The total number of electrons

Related quizzes

Related quizzes