Chemistry Basics

What is the atomic number of carbon?

• 6

• 3

• 7

• 12

What is the chemical symbol for gold?

• Pt

• Fe

• Ag

• Au

What is the pH value of a neutral solution?

• 10

• 8

• 5

• 7

What is the chemical formula for water?

• O2H

• H2O

• H3O

• HO2

What is the process of a solid turning into a gas called?

• Sublimation

• Melting

• Evaporation

• Condensation

What is Avogadro's number?

• 6.022 x 10^23

• 6.022 x 10^22

• 7.022 x 10^23

• 5.022 x 10^23

What is the most abundant gas in Earth's atmosphere?

• Nitrogen

• Argon

• Oxygen

• Carbon Dioxide

What is the chemical name for table salt?

• Potassium chloride

• Calcium chloride

• Magnesium chloride

• Sodium chloride

What is the SI unit for measuring temperature?

• Kelvin (K)

• Celsius (C)

• Meters (m)

• Grams (g)

What is the chemical symbol for iron?

• Fe

• Fn

• Io

• Ir