Atoms and Periodic Table

_____is the category on the periodic table that have properties of both metals and nonmetals.

Periods represent the number of ____ in each element has.

The periodic table is organized in groups and ______?

The ___ and ____make up the nucleus/mass of an element.

Group 1 elements are the most reactive ______ on the periodic table.

Boron is a ______.

What is the highest number of electrons you can have in the outside energy level?

Which subatomic particle has a positive charge?

Which subatomic particle has no charge or is neutral?

Where is a valence electron?

Group 17, the halogen group, are the most _________nonmetals on the Periodic Table.

The Periodic Table is arranged in what order?

Groups represent the number of ________ in representative elements.

Group 1 elements have ____valence electrons?

Which subatomic particles are found in the nucleus of an atom?