Unit 4 Quiz: Periodic Table and Atomic Structure

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

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An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

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An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

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Based on their properties, how are elements categorized? 

• solid, liquid, or gas
• neutral or ionized
• metals, nonmetals, and metalloids
• reactive or unreactive

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

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An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

The majority of elements on the periodic table are

• man made.
• nonmetals.
• metals.
• gases.

How many protons does an atom of Nitrogen have?

• 14
• 7
• 15
• 18

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NGSS.MS-PS1-1

How many electrons are in an atom of Lithium?

• 3
• 6
• 7
• 6.941

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How many neutrons are in an atom of Beryllium?

• 4
• 9
• 9.01
• 5

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