Periodic Table

Front

Periodic law: Elements arranged as

Back

Periodic functions of atomic numbers

Front

First to organize periodic table

Back

Dmitri Mendeleev

Front

Valence electrons determine:

Back

Reactivity with other elements

Front

Determining valence electrons

Back

Count position from left in row

Front

Direction of groups in periodic table

Back

Up and down

Front

Group of elements that form compounds in nature

Back

Halogens

Front

Group with high reactivity and high melting points

Back

Alkaline earth metals

Front

Not a major region in the periodic table

Back

Gases

Front

Location of metalloids

Back

Zigzag line on the right

Front

Transition metals: characteristics

Back

Similar to metals and non-metals