Atoms, Molecules, Periodic Table

Where are the most active metals located?

• Group 1A

• Group 2A

• Group 7A

• Group 8A

Where are the most active nonmetals located?

• Group 1A

• Group 2A

• Group 7A

• Group 8A

Elements in group 1 are called _____.

• Transition Metals

• Nobel Gases

• Alkali Metals

• Halogens

Elements in group 2 are called _____.

• Alkaline Earth Metals

• Nobel Gases

• Actinides

• Lanthanides

Elements in group 3-12 are called _____.

• Metalloids

• Nobel Gases

• Transition Metals

• Lanthanides

Elements in group 17 are called _____.

• Metalloids

• Nobel Gases

• Transition Metals

• Halogens

Vertical Columns of the periodic table are called ______.

• Periods

• Nonmetals

• Metals

• Groups

Horizontal Rows of the periodic table are called ______.

• Periods

• Nonmetals

• Metals

• Groups

A substance that cannot be broken down into simpler substances by chemical reaction is called a/an ______.

• Compound

• Mixture

• Element

• Alloy

The number of protons in the nucleus of an atom of an element is the _____.

• atomic number

• atomic weight

• mass number

• isotope