Atoms & the Periodic Table

The amount of protons stays the same.

The amount of neutrons may be different

The mass changes based on the total of protons and neutrons

A new element is made with every neutron added.

increasing

decreasing

horizontally (across)

vertically (up & down)

Also called families.

Are the vertical columns (up & down) on the table

Have the same number of electrons in outer energy level

Are in alphabetic order

hard and solid

shiny or lustrous

good conductors

give away electrons

a gas

Can be a liquid

Can be a gas

Take electrons from other atoms

Are good insulators

Are very shiny

True

False