Atomic Structure and Periodic Table Unit Review

Front

What group number is Beryllium in?

Back

Group 2

Front

What distinguishes different isotopes of an element?

Back

Different masses.

Front

How many neutrons are in Nickel-59?

Back

31 neutrons.

Front

What are the elements called that have properties of both metals and nonmetals?

Back

Metalloids.

Front

What is the name of the isotope with 6 protons and 7 neutrons?

Back

Carbon-13.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table's group number?

Back

It indicates the number of valence electrons in the elements of that group.

Front

What is an isotope?

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.