
2.3 Water Chemistry
Authored by Sara Benham
Science
9th Grade
NGSS covered
Used 12+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pure water is made of how many hydrogen (H) atoms and how many oxygen (O) atoms?
2 hydrogen (H) atoms and 1 oxygen (O) atom
1 hydrogen (H) atom and 2 oxygen (O) atoms
2 hydrogen (H) atoms and 2 oxygen (O) atoms
1 hydrogen (H) atom and 1 oxygen (O) atom
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for a single molecule of water?
H2O
CO2
O2
H2O2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Molecules like water stay together because the ______ are bonded.
atoms
electrons
molecules
protons
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Covalent bonds mean atoms are sharing ______, the negatively charged particle in an atom.
protons
neutrons
electrons
molecules
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen (H) has a single electron.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pure water is made of how many hydrogen (H) atoms and how many oxygen (O) atoms?
1 hydrogen and 2 oxygen
2 hydrogen and 1 oxygen
2 hydrogen and 2 oxygen
1 hydrogen and 1 oxygen
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for a single molecule of water?
H2O
H2O2
CO2
O2
Tags
NGSS.MS-PS1-1
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