Atomic Structure

Front

In a neutral atom, the number of _____ and _____ are equal to each other.

Back

protons and electrons.

Front

Value representing the number of protons in an element.

Back

Atomic Number.

Front

How many neutrons does Copper-64 have?

Back

35 neutrons.

Front

How many neutrons does boron-11 have?

Back

6 neutrons.

Front

Subatomic particles with a positive charge.

Back

protons.

Front

What is the charge of neutrons?

Back

Neutrons have no charge (neutral).

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.