Investigation 2 Chemistry 1

Based on the Periodic Table, which other element is likely to share common properties with sodium (Na)?

• Ca

• Cs

• Mg

• Ne

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Which of the following elements is an alkali metal?

• Cu

• Na

• Fe

• Ca

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The speed of an electromagnetic energy wave is equal to the product of its wavelength and its

• mass

• color

• amplitude

• frequency

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A quantum of electromagnetic energy is called a(n)

• photon

• electron

• excited atom

• orbital

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The region in space outside the nucleus where an electron can most probably be found is the

• electron configuration

• quantum

• s sublevel

• electron cloud

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The size and shape of an electron cloud are most closely related to the electron's

• charge

• mass

• spin

• energy

The set of orbitals that are dumbbell shaped and directed along the x, y, & z axes are called

• s orbitals

• p orbitals

• d orbitals

• f orbitals

An orbital that can never exist according to the quantum description of the atom is

• 3d

• 8s

• 6d

• 3f

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The number of possible different orbital shapes for the third energy level is

• 1

• 2

• 3

• 4

The main energy level that can hold only two electrons is the

• 1st

• 2nd

• 3rd

• 4th

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