Grab a Gram

What is the mass of 1 mole of water (H2O) in grams?

• 18 grams

• 20 grams

• 22 grams

• 24 grams

Which instrument is used to measure mass in a laboratory?

• Thermometer

• Barometer

• Balance

• Voltmeter

If you have 5 grams of a substance, how many milligrams do you have?

• 50 mg

• 500 mg

• 5000 mg

• 50000 mg

What is the SI unit of mass?

• Kilogram

• Gram

• Milligram

• Pound

Which of the following is a method to separate a mixture based on mass?

• Filtration

• Distillation

• Centrifugation

• Evaporation

What is the mass of a single carbon atom in atomic mass units (amu)?

• 12 amu

• 14 amu

• 16 amu

• 18 amu

How many grams are there in a kilogram?

• 10 grams

• 100 grams

• 500 grams

• 1000 grams

What is the principle behind a mass spectrometer?

• Separation of particles based on charge

• Separation of particles based on mass

• Separation of particles based on volume

• Separation of particles based on temperature

Tags

NGSS.HS-PS3-5

Which of the following elements has the greatest atomic mass?

• Hydrogen

• Helium

• Oxygen

• Uranium

What is the approximate mass of an electron?

• 9.11 x 10^-31 kg

• 1.67 x 10^-27 kg

• 3.34 x 10^-27 kg

• 1.00 x 10^-30 kg