ACAP Review Pt 2 2022

Ionic bonds are between _______ and ________. 

• nonmetals and nonmetals 
• metals and metals 
• metals and nonmetals
• none

How does a positively charged ion form?

• An atom loses an electron
• An atom gains an electron
• An atom gains a proton
• An ionic compound dissolves

Covalent bonds tend to happen between two

• metals
• nonmetals
• metal and nonmetal

Outer shell electrons are called

• outer electrons
• valence electrons
• negatives

Atoms want

• A full outer shell of electrons
• One electron short of a full shell
• kit kats

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number to the left of a formula.

Which side of a chemical equation is the product side?

• Left (before the arrow)
• Right (after the arrow)

Which side of a chemical equation is the reactant side?

• Left (before the arrow)
• Right (after the arrow)

Which problem is balanced?

• PbO₂ + 2H₂
• SO₂ + H₂0 --> H₂SO₄
• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes
• No

Tags

NGSS.MS-PS1-5