Atoms and the Periodic table

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

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What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

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Beryllium has how many protons?

• 4
• 9.0122
• 2
• 13.0122

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The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

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The Modern Periodic Table of Elements is arranged by

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

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

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Which subatomic particle has a positive charge?

• proton

• nuetron

• electron

• atom

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Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• atom

Which subatomic particle has a neutral (0) charge?

• proton

• nuetron

• electron

• atom

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