Climate Control Day 2 (Atomic Structure +, e-, n)

Front

How many electrons does a Copper atom have?

Back

29

Front

How many neutrons are in a Gold atom?

Back

118

Front

Isotopes have different numbers of:

Back

neutrons

Front

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

Back

10

Front

How many protons are in a sodium atom, Na?

Back

11

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

Define isotopes.

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the charge of a proton?

Back

Positive.