Chemical Bonding Test Review

Match the following

• chemical formula

• represents the number of units of each substance

• chemical bond

• represents the number of atoms of a particular element

• coefficient

• tells what elements a compound contains and the exact number of atoms of those elements

• subscript

• substance made of the combined atoms of two or more elements

• compound

• Force that holds the atoms of a substance together

Tags

NGSS.MS-PS1-1

Match the following

• ion

• neutral compound that consists of positive and negative ions

• oxidation number

• how many electrons the atoms needs to gain or lose to reach a full outer energy level.

• ionic compound

• force that brings nonmetal atoms together to share electrons

• Ionic bond

• force that brings opposite charged ions together

• covalent bonds

• positively or negatively charged atom; gain or lose electrons

Match the following

• molecular compound

• positively or negatively charged group of elelments

• molecule

• a substance made of molecules

• polyatomic ions

• the neutral group of atoms held together by sharing electrons and a covalent bond

Tags

NGSS.MS-PS1-1

An atom that gains or loses an electron becomes

• an isotope

• a new element

• an ion

• a molecule

When an atom gains an electron it becomes

• negatively charged

• positively charged

• neurtal

Ionic bonds happen when valence electrons are

• shared

• too heavy

• transferred

Tags

NGSS.HS-PS1-3

Valence electrons are

• neutral (no charge)

• found in the outer most energy level of the atom

• equal to the number of protons

Which type of bond occurs between non metals?

• covalent bonds

• ionic bonds

• metallic bonds

• all types of bonds

How many different elements are in the C₆H₁₂O₆

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1

How many total atoms are in C₆H₁₂0₆

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1