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Chem 103 Exam 1 Questions with Correct Answers

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Atoms are made up of protons, neutrons, and electrons. The charge on an electron is ____ - ANSWERS-1 Atoms are made up of protons, neutrons, and electrons. The charge on a neutron is ____ - ANSWERS0 How many atoms are there in a single molecule of glucose (C6H12O6)? - ANSWERS24 How many atoms are there in a single molecule of ethanol (C2H6O)? - ANSWERS9 Hydrogen makes _____ bond(s) - ANSWERS1 Oxygen makes _____ bond(s) - ANSWERS2 Carbon makes _____ bond(s) - ANSWERS4 How many protons are in phosphorus? - ANSWERS15 How many protons are in zinc? - ANSWERS30 How many protons plus neutrons are there in the most common isotopes of oxygen? - ANSWERS16 The number of electrons in a neutral atom - ANSWERSis the same as the number of protons. The number of neutrons in an atom is always the same as the number of protons. - ANSWERSFalse Which of the following is a mixture? distilled water a sample of carbon dioxide sea water O2 - ANSWERSSea water Which of the following is a element? ammonia water methane argon sulfuric acid - ANSWERSargon

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Institution
Chem 103
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Uploaded on
August 21, 2025
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Written in
2025/2026
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  • chem 103 exam 1 stuvia
  • chem 103 exam 1 questions with correct answers
  • atoms are made up of protons neutrons and electr
  • atoms are made up of protons neutrons and electr

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Chem 103 Exam 1 Questions with
Correct Answers
Atoms are made up of protons, neutrons, and electrons. The charge on an electron is
____ - ANSWERS-1

Atoms are made up of protons, neutrons, and electrons. The charge on a neutron is
____ - ANSWERS0

How many atoms are there in a single molecule of glucose (C6H12O6)? - ANSWERS24

How many atoms are there in a single molecule of ethanol (C2H6O)? - ANSWERS9

Hydrogen makes _____ bond(s) - ANSWERS1

Oxygen makes _____ bond(s) - ANSWERS2

Carbon makes _____ bond(s) - ANSWERS4

How many protons are in phosphorus? - ANSWERS15

How many protons are in zinc? - ANSWERS30

How many protons plus neutrons are there in the most common isotopes of oxygen? -
ANSWERS16

The number of electrons in a neutral atom - ANSWERSis the same as the number of
protons.

The number of neutrons in an atom is always the same as the number of protons. -
ANSWERSFalse

Which of the following is a mixture?
distilled water
a sample of carbon dioxide
sea water
O2 - ANSWERSSea water

Which of the following is a element?
ammonia
water
methane
argon
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