periodic table

Which is the best description of an element?

• A substance that cannot be broken down into simpler substances

• A collection of atoms that have different abilities when joined together

• A man-made mineral

• A mixture of substances

A one or two letter abbreviation  used to represent an element is called a(n) ________

• chemical symbol
• element sign

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

A subatomic particle that has a negative charge

• nobles gases

• protons

• electrons

• neutrons

neutron

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• not able to conduct heat or electricity, little to no metallic luster

• A subatomic particle that has a negative charge

• A small particle in the nucleus of the atom, with no electrical charge

Name group 1A on the periodic table.

• alkali metals
• alkaline earth metals
• noble gases
  noble gases
• halogens

Name group 8A on the periodic table.

• alkali metals
• alkaline earth metals
• transition metals
• noble gases

Which group has the most reactive nonmetals?

• alkali metals
• noble gases
• metalloids
• halogens