Quiz: Atoms, Molecules, Ions, and Bonds

1. An element is composed of __________.
a. compounds
b. atoms
c. molecules
2. How many total atoms are in a molecule of water (H2O)?
a. 1
b. 2
c. 3
3. How many different types of atoms are in water (H2O)?
a. 1
b. 2
c. 3
4. How many molecules comprise water (H2O)?
a. 1
b. 2
c. 3
5. There are three major types of bonds: ionic, covalent, and hydrogen. Which of the following subatomic particles are responsible for creating the different types of bonds?
a. protons
b. neutrons
c. electrons
6. In a molecule of potassium chloride salt, the chlorine atom has the ability to accept the donated electron. What kind of bond is developed between potassium and chlorine?
a. ionic
b. covalent
c. hydrogen
7. In order to form water, each hydrogen atom shares its electrons with the oxygen atom. At the same time, oxygen shares its available electrons with each of the hydrogen atoms. This sharing of electrons creates what type of bond?
a. covalent
b. ionic
c. hydrogen
8. A bond is formed between water molecules making water stay in a liquid form unless alterations are made. In order to “hold” water molecules together, there is a bond between the oxygen of one water molecule and the hydrogen of another molecule. What type of bond is being described?
a. hydrogen
b. ionic
c. covalent
9. The bonds that form between an oxygen atom and two hydrogen atoms in water are called __________ bonds while the weak bond formed between the hydrogen atom of one water molecule and the oxygen atom of another water molecule is called a __________ bond.
a. hydrogen; covalent
b. covalent; hydrogen
c. covalent; ionic
10. What type of bond allows water to have a strong surface tension?
a. hydrogen
b. ionic
c. covalent

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