Elements & The Periodic Table

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

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The number of neutrons in an atom can be found by

• adding the number of neutrons and protons together.

• adding the atomic mass and the atomic number.

• subtratcting the atomic number from the atomic mass.

• subtracting the atomic mass from the atomic number.

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___________________ are positively charged particles located in the nucleus of an atom.

• Electrons

• Neutrons

• Protons

• Isotopes

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Isotopes are atoms of the same element with different numbers of

• electrons

• neutrons

• protons

• nuclei

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Elements on the Periodic Table are ordered according to their

• element name

• element symbol

• number of atoms

• atomic number

Rows in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

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Column in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

The elements that touch the zigzag line on the Periodic Table are called

• metals

• nonmetals

• metalloids

• gasses

The nucleus of an atom is located in its

• electron cloud

• center

• proton

• backpack

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What do atoms of the same periodic group have in common?

• They have the same atomic number.

• They have the same chemical symbols.

• The have similar chemical properties.

• They have the same atomic mass.