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20 questions
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- 1. Multiple Choice
This symbol indicates a _______.
neutron
proton
electron
- 2. Multiple Choice
What 2 elements make up water?
Hydrogen and Carbon
Carbon and Oxygen
Hydrogen and Oxygen
Oxygen and Helium
- 3. Multiple Choice
How many molecules are in this formula?
1
2
3
6
- 4. Multiple Choice
What information does a subscript number tell us?
the number of atoms per element
the number of molecules per formula
- 5. Multiple Choice
What substance commonly exists in what 3 states of matter?
Oxygen
Carbon Dioxide
Rust
Water
- 6. Multiple Choice
An electron is located ...
in the nucleus.
outside the nucleus.
- 7. Multiple Choice
What is the atomic mass for this element?
6
12.0107
6.0107
18.0107
- 8. Multiple Choice
How many molecules are in the Reactant?
1
2
3
4
- 9. Multiple Choice
What information does the coefficient in an equation give us?
the number of atoms per element
the number of molecules per formula
- 10. Multiple Choice
What is the property of water is shown in the picture?
specific heat
universal solvent
capillary action
surface tension
- 11. Multiple Choice
The center of an atom is called
a/an __________.
atomic mass
nucleus
proton center
energy shell
- 12. Multiple Choice
How many neutrons are in an Calcium atom?
20
40.08
60
- 13. Multiple Choice
Which formula has 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.
- 14. Multiple Choice
What property of water is shown in the picture?
surface tension
capillary action
universal solvent
specific heat
- 15. Multiple Choice
The atomic number of an element is determined by the _________ of ________ in the nucleus.
protons, neutrons
number, electrons
electrons, protons
number, protons
- 16. Multiple Choice
Which image shows a Bohr model for Carbon.
- 17. Multiple Choice
How many total atoms are in the product?
10
5
7
12
- 18. Multiple Choice
What property of water is shown in the picture?
surface tension
capillary action
universal solvent
specific heat
- 19. Multiple Choice
If the protons and electrons do not match, the atom is ____.
neutral
ion
- 20. Multiple Choice
Which equation shows the correct number of molecules?
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