Practice Exam

Question 1

If a compound has a molar mass of 180 g over mol and its empirical formula is cap c cap h sub 2 cap o , what is its molecular formula?

Revolt · Accepted Answer

cap c sub 6 cap h sub 12 cap o sub 6

Question 2

Which statement describes a major drawback of the Bohr model that caused scientists to replace it?

Revolt · Accepted Answer

It contradicted the Heisenberg uncertainty principle.

Question 3

Which property would xenon most likely have?

Revolt · Accepted Answer

It is stable.

Question 4

Which substance is a binary acid?

Revolt · Accepted Answer

hydrochloric acid

Question 5

Which reason best explains why metals are malleable?

Revolt · Accepted Answer

because they have delocalized electrons

Question 6

A plasma that has particles that never collide frequently enough to exchange kinetic energy and never reach a temperature equal to the surroundings is categorized as a

Revolt · Accepted Answer

nonthermal plasma.

Question 7

The symbol for xenon Xe would be a part of the noble gas notation for the element

Revolt · Accepted Answer

cesium.

Question 8

Which of these could form an ionic bond with an anion?

Revolt · Accepted Answer

Hg sub 2 raised to the 2 plus power

Question 9

Consider the chemical equation in equilibrium. cap A times g plus 2 cap b g if and only if cap c times g plus cap d times g plus heat What will happen to the equilibrium of this reaction if the temperature is increased?

Revolt · Accepted Answer

It will shift to the left because heat is released.

Question 10

Which equation is a decomposition reaction?

Revolt · Accepted Answer

Li sub 2 CO sub 3 rightarrow Li sub 2 cap o plus CO sub 2

Practice Exam Answers

More from this Course

TRY EDGENUITY HACKS