Intro. to Chemistry Final Review

Which subatomic particle identifies an atom?

• Proton

• Neutron

• Electron

• Quark

Which subatomic particle determines how an atom reacts?

• Proton

• Neutron

• Electron

• Quark

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

All binary compounds consist of (a)   element(s).

Tags

NGSS.MS-PS1-1

Elements tend to lose, gain, or share electrons in order to acquire the electron configuration of a:

• Noble gas

• Transition metal

• Halogen

• Nonmetal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do all ternary compounds have in common?

• Contain a metal

• Contain a nonmetal

• Contain a monatomic ion

• Contain a polyatomic ion

According to collision theory, in order for a chemical reaction to occur, the reactant atoms must:

• Have proper orientation

• Form an activated complex

• Have a minimum level of energy

• Bounce apart

Entropy is a measure of the

• acidity of a sample

• disorder of a system

• concentration of a solution

• chemical activity of an element

What type of reaction is represented in the figure shown?

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

Which number on the graph represents a catalyst?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-4

Which number on the graph represents the activation energy of the forward reaction?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-4