1.4 Chemical Interactions Test

Match the following

• chemical formula

• molecule with an equal charge distribution

• ion

• an atom or group of atoms that has a charge

• diatomic molecule

• an expression that identifies the types and #s of elements present in a compound

• nonpolar molecule

• a strong force of attraction that holds the atoms of a compound together

• chemical bond

• a molecule made of 2 atoms of the same element

Tags

NGSS.MS-PS1-1

Match the following

• polar bond

• force of attraction between oppositely charged ions

• covalent bond

• a molecule with a balanced charge that is not equally distributed

• ionic bond

• group of atoms that are covalently bonud and have a charge

• polyatomic ion

• type of bond in which valence electrons are shared between atoms

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

​ (a)   Anhydrous compounds lack water

• True
• False

Larger atoms have a greater electron attraction.

• True

• False

Tags

NGSS.HS-PS1-1

Ions are neutral and ionic compounds have an overall positive or negative charge.

• True

• False

Tags

NGSS.HS-PS1-3

Covalent bonds develop when electrons are shared between two nonmetals.

• True

• False

Tags

NGSS.HS-PS1-1

How many hydrogen atoms are in the compound Al₂(HPO₄)₃ ?

• 2

• 1

• 3

• 12

Tags

NGSS.MS-PS1-1

How many total atoms are in the compound

• 15

• 10

• 85

• 25

Tags

NGSS.MS-PS1-1

Name the following covalent molecule:

N₂O₅

• dinitrogen pentoxide

• binitride pentoxygen

• mononitrogen trioxide

• nitrogen monoxide

Tags

NGSS.HS-PS1-2

What is the molecular formula for tricarbon hexahydride?

• CH

• C₃H₆

• CH₂

• CHOO