Imprimir Froggy Jumps: Elemental Challenge ()

1. What is the chemical symbol for gold?

A

Au

B

Fe

C

Ag

2. Which element has the atomic number 1?

A

Hydrogen

B

Carbon

C

Oxygen

3. What is the most abundant element in the Earth's crust?

A

Silicon

B

Aluminum

C

Oxygen

4. Which element is a noble gas?

A

Sodium

B

Chlorine

C

Helium

5. What is the lightest element?

A

Oxygen

B

Carbon

C

Hydrogen

6. Which element is essential for human bone health?

A

Iron

B

Calcium

C

Sodium

7. What is the chemical symbol for silver?

A

Au

B

Cu

C

Ag

8. Which element is a halogen?

A

Chlorine

B

Potassium

C

Magnesium

9. What is the atomic number of carbon?

A

8

B

12

C

6

10. Which element is a metalloid?

A

Mercury

B

Sulfur

C

Silicon