Understanding Matter and Atoms Module 2

What is matter?

• Anything that has volume and mass

• Only solid substances

• Only liquids and gases

• Only living things.

What particles make up the nucleus of an atom?

• Electrons and protons

• Neutrons and electrons

• Protons and neutrons

• Neutrons and photons

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What is the electron cloud?

• The center of the atom

• The area surrounding the nucleus

• The part of the atom with protons

• The part of the atom with neutrons.

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Which isotope is used to date organic remains up to 60,000 years old?

• Carbon-14

• Polonium-218

• Bismuth-214

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Which of the following is an example of a compound?

• Oxygen

• Hydrogen

• Water

• Sodium

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What is the process called when a solid changes directly to a gas without an intermediate liquid state?

• Condensation

• Evaporation

• Sublimation

• Freezing

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Which part of the atom has a positive charge?

• Proton

• Neutron

• Electron

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If a molecule includes more than one element, what is it called? 

• Atom

• A pair of elements

• Compound

• Hydrogen

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Which of the following is a state of matter?

• Solid

• Energy

• Light

• Sound

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What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

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