Atoms/Periodic Table Test 2425

Front

What are the groups to the left of the staircase on the periodic table called?

Back

Metals

Front

If the number of protons equals the number of _____, what is the charge of the atom?

Back

No charge (electrons)

Front

What are the positive particles of an atom called?

Back

Protons

Front

What is the horizontal row on the periodic table called?

Back

Period

Front

Which element symbol is NOT written correctly: Fe, H, al, Ne?

Back

al

Front

What is the smallest unit of an element that retains its properties?

Back

Atom

Front

What are the negatively charged particles in an atom?

Back

Electrons

Front

What is the center of an atom called?

Back

Nucleus

Front

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

Back

Metalloids

Front

What is the term for a vertical column in the periodic table?

Back

Group or Family