Introduction to Chemistry

Refer to the above image. Which of these is NOT found in the nucleus of an atom?

• Neutrons
• Protons
• Atomic mass
• Electrons

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NGSS.MS-PS1-1

Which of the atom models above represents a reactive metal?

• Model A
• Model B
• Model C
• Model D

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Which of the following is the atomic mass of the atom represented in the above graphic?

• 17
• 16
• 33
• 32

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Which of the following elements is represented by the above graphic?

• Sulfur
• Chlorine
• Argon
• Arsenic

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Which of the following is the atomic number of the atom represented in the above graphic?

• 16
• 17
• 18
• 33

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Refer to the Periodic Table above. A student is asked to identify an element that is a non-reactivegas and does not conduct electricity.Within which group on the Periodic Table would the element most likely be located?

• Group 2
• Group 14
• Group 16
• Group 18

Which of the following statements is best used to identify the element in the model above?

• The atom has 6 neutrons, which identifies this element as Carbon.
• The atom has a mass number of 12, which identifies this element as Magnesium.
• The atom has 6 protons, which identifies this element as Carbon.
• The atom has 12 subatomic particles in the nucleus, which identifies this element as Magnesium

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According to the Chemical Compounds table above, how many atoms of hydrogen are in Ethanol?

• 0
• 2
• 5
• 6

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According to the Chemical Compounds table above, how many total atoms are in Glucose?

• 3
• 18
• 24
• 432

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Which of the atoms shown above will have the most similar properties to the atom shown below?

• I
• II
• III
• IV

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