Chemical Bonding Crossword

What type of chemical bonding involves one atom giving its electrons to another atom?
What type of chemical bonding involves sharing a pair of electrons?
What do you call an atom that has a charge (because it lost or gained an electron)?
What do you call an atom with a positive charge?
What do you call an atom with a negative charge?
What type of electrons are used to make bonds?
The first electron shell holds two electrons. Every shell after that holds up to ________.
The outer valence of an atom needs to be full in order to be _________.
The chemical compound H20 has how many types of elements present?
The element NH3 has how many atoms present in it?
A ___________ is a unique substance that forms when two or more elements combine chemically.
What do you call an element made up of two identical atoms bonded together?
When an atom loses an electron, it gains a _____ charge.
When an atom gains an electron, it gains a _____ charge.