Chemistry of Life Review

Question 1

A compound that produces H+ ions in solution is a(n):

Accepted Answer

acid

Question 2

Carbon-14 has how many protons?

Accepted Answer

6

Question 3

When you shake sugar and water in a test tube, you cause them to form a:

Accepted Answer

solution

Question 4

The atomic number of an atom is determined by:

Accepted Answer

Its number of protons

Question 5

An atom with a negative charge is called:

Accepted Answer

an anion

Question 6

Carbon-14 has how many neutrons?

Accepted Answer

8

Question 7

A covalent bond is formed by the

Accepted Answer

Sharing of electrons

Question 8

An example of an ionic compound necessary to living things is:

Accepted Answer

Salt

Question 9

The positively-charged particle in the atom is the

Accepted Answer

proton

Question 10

A molecule consists of atoms held together by:

Accepted Answer

Covalent bonds

Question 11

Isotopes of an element differ in the number of:

Accepted Answer

Neutrons

Question 12

A substance made of only one kind of atom is a(n):

Accepted Answer

Element

Question 13

A substance with a pH of 7 would be:

Accepted Answer

Neutral

Question 14

A substance with a pH of 2 would be:

Accepted Answer

Acidic

Question 15

Water's tendency to stick to other surfaces is called:

Accepted Answer

adhesion

Questions 15