Atoms, Elements, Periodic Table

Front

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

Back

Atom

Front

What is the center of an atom called?

Back

Nucleus

Front

What are positively charged particles in an atom called?

Back

Protons

Front

What is the term for a substance made of only one type of atom?

Back

Element

Front

What is the name of the table that organizes all known elements?

Back

Periodic Table

Front

What are the particles in an atom's nucleus that have no charge?

Back

Neutrons

Front

What is the term for the number of protons in the nucleus of an atom?

Back

Atomic Number

Front

What do you call elements that are found in group 1 of the periodic table?

Back

Alkali Metals

Front

What are elements that have similar properties and are in the same column of the periodic table called?

Back

Groups or Families

Front

What is the term for the horizontal rows in the periodic table?

Back

Periods