Chemistry Chapter 3

The positive particles of an atom are

• electrons

• positrons

• neutrons

• protons

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Particles in an atom that are neutral and have no charge are

• negatrons

• electrons

• neutrons

• protons

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A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

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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

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

• 14

• 7

• 15

• 18

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What is the atomic mass of "F"

• 9
• 18
• 17
• 19

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How many neutrons are in the atom "K"?

• 7

• 2

• 39

• 20

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Beryllium has how many protons?

• 4
• 9.0122
• 2
• 13.0122

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What type of charge does an electron have?

• positive

• no charge/neutral

• negative

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