Chemistry Challenge

What is the atomic number of carbon?

• 8

• 12

• 16

• 6

Which element has the symbol Na on the periodic table?

• Neon

• Nickel

• Nitrogen

• Sodium

What is the chemical formula for water?

• H2O

• H3O

• O2H

• HO

What is the state of matter with definite shape and volume?

• solid

• plasma

• gas

• liquid

What is the process called when a solid changes directly into a gas?

• evaporation

• condensation

• sublimation

• melting

What type of bond is formed when electrons are shared between atoms?

• metallic bond

• ionic bond

• hydrogen bond

• covalent bond

What is the chemical symbol for gold?

• Ag

• Au

• Fe

• Cu

What is the state of matter with no definite shape or volume?

• solid

• gas

• plasma

• liquid

What is the process called when a gas changes directly into a solid?

• deposition

• evaporation

• condensation

• sublimation

What type of bond is formed when electrons are transferred from one atom to another?

• covalent bond

• ionic bond

• hydrogen bond

• metallic bond