Chemistry Final Exam

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the mass number?

Back

the number of protons and neutrons in the nucleus

Front

In order for an atom to be neutral, what has to be true?

Back

The atom has the same number of protons and electrons

Front

What does the 6 represent?

Back

atomic number

Front

How is the number of neutrons in the nucleus of an atom calculated?

Back

Subtract the number of p+ from the mass number

Front

What is the atomic number of the atom pictured? Options: 9, 10, 18, 19

Back

9

Front

What is the name of group number 1?

Back

alkali metals

Front

A row on the Periodic Table of Elements

Back

period

Front

Element in group 2, period 6?

Back

Barium (Ba)

Front

An isotope of an element has the same number of _________, but a different number of _________.

Back

Protons, neutrons