Elements

Which of the following is the lightest element?

• Lithium
• Oxygen
• Boron
• Fluorine

Which of the following elements is a halogen?

• Carbon
• Calcium
• Oxygen
• Bromine

What is the atomic symbol for potassium?

• K
• Kr
• Ki
• Ka

Which of the following elements is a noble gas?

• Oxygen
• Helium
• Carbon
• Iron

The atomic symbol for silver is?

• Sr
• Si
• Ag
• As

Which of the following elements is found in the human body?

• Boron
• Sodium
• Lead
• Chlorine

Which of the following elements is used to make car batteries?

• Oxygen
• Lead
• Potassium
• Magnesium

Which of the following elements is the most common element in the Earth's atmosphere?

• Carbon
• Oxygen
• Nitrogen
• Hydrogen

Which of the following elements is used to make fertilizer?

• Lead
• Potassium
• Oxygen
• Uranium

What is the atomic symbol for iron?

• Ir
• Fe
• Fo
• Fr