Chemical Bonding

A charged particle is known as a(n) _______.

• ion

• polar

• nonpolar

• molecule

Tags

NGSS.HS-PS2-5

Metals give up their valence electrons and form positive ions called _______.

• cations

• anions

• polyatomic

• metalloids

Nonmetals gain valence electrons and form negative ions called _______.

• anions

• cations

• polyatomic

• metalloids

A(n) _______ number tells you how many electrons an atom has gained, lost, or shared to become stable.

• oxidation

• atomic

• mass

• subscript

In chemical formulas, the number of atoms in a unit of the compound is shown by numbers called _______.

• subscripts

• oxidation numbers

• superscripts

• atomic numbers

A chemical _______ is the force that holds atoms together in a compound.

• bond

• molecule

• formula

• symbol

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

A chemical _______ tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound.

• formula

• symbol

• compound

• subscript

The attraction that forms between atoms when they share electrons is known as a(n) _______ bond.

• covalent

• ionic

• metallic

• hydrate

Tags

NGSS.HS-PS1-1

The attraction that forms between atoms when electrons are gained or lost to other atoms is known as a(n) _______ bond.

• ionic

• covalent

• metallic

• hydrate

Tags

NGSS.HS-PS1-1

What is a valence electron?

• The total number of electrons an element has

• The number of electron in the innermost energy shell

• The number of electrons in the outermost energy shell

• The number of electrons that an element will take to have a full outermost shell