Quizizz

1. What is the chemical symbol for water?

• B) H₂O

• B) H₂O

• C) O₂

• D) NaCl

2. What is the atomic symbol for potassium?

• A. P

• B. K

• C. Po

• D. Pt

3. Which of the following is an example of an ionic compound?

• A. H₂O

• B. NaCl

• C. CO₂

• D. CH₄

4. Which of the following elements is classified as a transition metal?

• A. Helium

• B. Zinc

• C. Carbon

• D. Phosphorus

5. What is the chemical formula for sulfur trioxide?

• A. SO₃

• B. SO₂

• C. S₂O₃

• D. S₃O

6. Which of the following substances is a non-metal at room temperature?

• A. Sodium

• B. Iron

• C. Oxygen

• D. Magnesium

7. What is the process by which a solid turns directly into a gas called?

• A. Condensation

• B. Sublimation

• C. Freezing

• D. Melting

8. How many electrons are in a neutral atom of neon (Ne)?

• A. 2

• B. 8

• C. 18

• D. 18

9. What is the correct name for the compound Na₂O?

• A. Sodium oxide

• B. Sodium peroxide

• C. Sodium hydroxide

• D. Sodium chloride

10. Which of the following is a characteristic of a chemical reaction?

• A. Change in states

• B. Change in color

• C. Formation of a new substance

• D. All of the above