Periodic law states that repeating patterns of chemical properties form when you arrange elements by their:

• average atomic mass

• atomic number

• ion charge

• electron configuration

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A horizontal row in the periodic table is called a:

• group

• period

• family

• row

A vertical column in the periodic table is called a:

• group

• period

• family

• row

How many protons does oxygen have?

• 8

• 16

• 32

• 4

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How many electrons does oxygen have when it is neutral?

• 8

• 16

• 32

• 4

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How many valence electrons does oxygen have?

• 2

• 8

• 6

• 18

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How many electrons does oxygen want to gain?

• 1

• 2

• 3

• 4

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Based on oxygen's location on the periodic table, predict its electronegativity:

• low electronegativity

• medium electronegativity

• high electronegativity

• no electronegativity

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Based on oxygen's location on the periodic table, predict its relative atomic size:

• small

• medium

• large

• no size

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What type of element is oxygen?

• metal

• nonmetal

• metalloid

• transition metal

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