Periodic Table of Elements

All matter is made of

• atoms
• cells

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• Periods
• Groups

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A neutron has a charge of

• +2
• No charge
• -1
• +1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

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In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

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What is the chemical symbol for Lithium?

• H
• He
• Li
• N

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Each element is, usually, given one or two letters known as a chemical symbol.

• True
• False

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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