Basic Atomic Structure - Understanding Check

Front

What is an atom with an unequal number of protons and electrons said to have?

Back

net charge

Front

What element contains 26 protons?

Back

Iron

Front

What is the atomic number for oxygen?

Back

8

Front

What is the central region of an atom where its neutrons and protons are located?

Back

nucleus

Front

How many neutrons are in Phosphorus-31?

Back

16

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.