HESI A2 Chemistry

Question 1 of 5

When balanced, the reaction Fe + O₂ → FeO will be?

A. 2Fe + 2O₂ → 3FeO B. 4Fe + 6O₂ → 6FeO C. 2Fe + 3O₂ → 2FeO D. 4Fe + 3O₂ → 2FeO

Question 2 of 5

What is the correct name of ZnSO₄?

A. Zinc sulfate B. Zinc sulfide C. Zinc sulfur D. Zinc oxide

Question 3 of 5

What form of radiation is composed of electrons traveling at around 16,000 km/sec?

A. Alpha radiation B. Beta radiation C. Gamma radiation D. Delta radiation

Question 4 of 5

You contain two odorous gases in vials with porous plugs. Gas A has twice the mass of Gas B. Which observation is most likely?

A. You will smell Gas A before you smell Gas B. B. You will smell Gas B before you smell Gas A. C. You will smell Gas A but not Gas B. D. You will smell Gas B but not Gas A.

Question 5 of 5

How many electrons are shared in a single covalent bond?

A. 1 B. 2 C. 3 D. 4

HESI A2 Chemistry

Skildor

HESI A2

HESI A2