Chemistry 1 Review

Match the following

• neutrons

• located in the nucleus; have no charge; and no charge

• electrons

• Located outside of the nucleus; have a negative charge; and a mass of 1/2000th of an amu

• Protons

• Located in the nucleus; have a positive charge; and a mass of 1 amu

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Which of the following is a compound

• water

• hydrogen

• nitrogen gas

• oxygen

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Uranium has an atomic number of 92 and an atomic mass of 238. What is the number of neutrons in Uranium?

Elements with similar qualities are located in the same

elements are placed in the periodic table based on the number of

• neutrons

• electrons

• protons

• protons + neutrons

What is an atom?

• The smallest unit of an element that displays the properties of that element.

• A type of particle made up of two or more elements.

• Two or more different elements joined together.

• A particle that has a positive or negative charge.

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Which of the following is NOT located in the nucleus?

• Protons

• Neutrons

• Electrons

• None of the Above.

What type of elements are highlighted pink?

• Ionic Compounds

• Metalloids

• Metals

• Non Metals

Which line points to the atomic number of Carbon?

• A

• B

• C

• D

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The electrons on the outermost shell of an atom are called:

• Polar Electrons

• Outer Electrons

• Negative Electrons

• Valence Electrons

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