Basic Chemistry

Which gas is produced when excess ammonia reacts with chlorine ?

• Nitrogen

• Hydrogen

• Oxygen

• Chlorine

Hey there! Can you tell me what matter is all about?

• It's the stuff that has mass and takes up space

• It's the stuff that takes up space and has energy

• It's the stuff that has energy and is visible

• It's the stuff that has mass and is visible

What is the chemical symbol for Gold?

• Au

• Ag

• Fe

• Cu

Hey there! Can you tell me the chemical symbol for Silver?

• Au

• Ag

• Fe

• Cu

Which of the following is a noble gas?

• Helium

• Oxygen

• Hydrogen

• Nitrogen

Hey there! Can you help me out with this fun question?

What is the atomic number of Carbon?

• 6

• 8

• 12

• 16

What is the chemical symbol for Iron?

• Au

• Ag

• Fe

• Cu

What is the chemical symbol for Copper?

• Au

• Ag

• Fe

• Cu

Which of the following is a non-metal?

• Iron

• Silver

• Gold

• Hydrogen

What is the chemical symbol for Sodium?

• Na

• Ag

• Fe

• Cu