Atomic Structure Practice

Front

What does the 1.00794 stand for?

Back

Atomic mass

Front

True or False - Protons and Neutrons have about the same mass.

Back

True - They have about the same mass

Front

How many neutrons does Carbon have if its mass number is 12 and it has 6 protons?

Back

6

Front

If an atom has 10 electrons, how many protons does it have?

Back

10

Front

What is the atomic number of an atom with 3 protons?

Back

3

Front

Define atomic number.

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

How do you calculate the number of neutrons in an atom?

Back

Mass number - Atomic number = Number of neutrons.

Front

What is the charge of a proton?

Back

Positive charge.

Front

What is the charge of a neutron?

Back

No charge (neutral).