HESI A2
HESI A2 Chemistry Questions
Question 1 of 5
Which compound contains a polar covalent bond?
Question 2 of 5
If fifty-six kilograms of a radioactive substance has a half-life of 12 days, how many days will it take the substance to decay naturally to only 7 kilograms?
Question 3 of 5
What type of chemical reaction is represented by AB → A + B?
Question 4 of 5
How much concentrated HCl should be used to prepare 500 mL of a 0.100 M HCl solution?
Question 5 of 5
How many electrons are shared in a single covalent bond?