Periodic Table

Match it! Select the correct answer from the pull down...Good luck!

Decreases from left to right until you get to the stair step

Vertical Columns that all elements have similar properties

Not naturally reactive with other elements

Tells how many protons are in the nucleus

Shiny most malleable and conduct heat

The number of electrons on the outermost energy level

Average mass of the atom's nucleus which is made of Protons and Neutrons

Have some properties of metals and non-metals