Electron configuration and Periodic table test review

Elements in the same group have similar _______________. (choose all that apply)

• Protons
• Physical and Chemical Properties
• number of valence electrons

• Size

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... are found in group # 18 in the modern periodic table.

• Halogens

• Non- metals

• Transition metals

• Noble gases

A ________________________ is an electron located in the outer most shell.

• Alkali electron

• Halogen electron

• Noble electron

• Valence electron

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A row on the periodic table is called?

• Period

• Group

• Family

• Element

A column on the periodic table is called a ___________

• Period

• Group

• Family

• Element

Using just the valence electrons on each atom determine which 2 atoms should be in the same group.

• atom 1 and 2

• atom 3 and 4

• atom 1 and 4

• atom 2 and 3

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Which is true about the 2 elements in the picture?

• they are in the same period

• they are no where near each other

• they are in the same group with element R on top

• they are in the same group with element Q on top

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What do the vertical columns on the periodic table tell us?

• The number of energy levels

• The number of valence electrons (electrons on the outer most shell)

• the number of protons

• the number of electrons

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What group and period does this element belong in? *

• period 1 and group 3

• period 3 and group 1

• period 2 and group 3

• period 3 and group 2

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How many valence electrons does the element have?

• 1

• 2

• 3

• 4

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