What are in the rows in the periodic table called?

periods

What happens as you move from left to right across a period?

The characteristics of the elements change

What do members of a group or family share in common?

characteristics

-column 1 except for hydrogen

-when mixed with water, they feel slippery and the mixture is used for cutting grease.  Also used to make soaps.

-very reactive with other atoms gives away 1 extra electron

-very soft metals- can be cut with a knife

-In pure form they are shiny and silvery

-Tarnishes rapidly because they react rapidly with O2, H2O, etc.

-column 2

-very reactive because they have 2 valence electrons, not quite as reactive as Alkali Metals

-Forms a slippery liquid when mixed with water

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