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- Multiple ChoicePlease save your changes before editing any questions.
What are the subatomic particles?
molecule, atom and compound
proton, neutron and electron
nucleus and electron cloud
Cells, tissues and organs
- Multiple ChoicePlease save your changes before editing any questions.
How many bonds can this element make?
7
8
1
0
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This diagram is an example of a Bohr Model.
True
False
- Multiple ChoicePlease save your changes before editing any questions.
In this equation, how many Hydrogen atoms are in the products?
2
6
0
4
- Multiple ChoicePlease save your changes before editing any questions.
Is Oxygen balanced in this equation?
Yes
No
- Multiple ChoicePlease save your changes before editing any questions.
An atom is an ion if it:
has no neutrons
has no protons
has unequal protons and electrons
has unequal protons and neutrons
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What is the atomic number of Lithium?
3
6.941
7
2
- Multiple ChoicePlease save your changes before editing any questions.
How many neutrons in an atom of Lithium?
3
7
4
0
- Multiple ChoicePlease save your changes before editing any questions.
What would you call an atom of Lithium with 4 electrons?
An isotope
An ion
An atom with a positive charge
Lithium cannot have 4 electrons
- Multiple ChoicePlease save your changes before editing any questions.
In this example showing Lithium and Nitrogen, how many atoms of Lithium would have to bond with Nitrogen to make it stable (or "happy").
1
8
7
3
- Multiple ChoicePlease save your changes before editing any questions.
What two subatomic particles are in the nucleus of an atom?
Protons and Neutrons
3 and 5
Protons and electrons
The positives
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The electrons on the outside of an atom are called:
The shield force
The valence electrons
The nuclear electrons
The Hawk Force
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What group does this show on the Periodic Table?
Halogens
Halitosis
Noble Gases
Peasant Gases
- Multiple ChoicePlease save your changes before editing any questions.
Why won't these elements bond with other elements?
They already have a full outer shell.
They have no room for more electrons.
They are stable and happy.
All of the above.
- Multiple ChoicePlease save your changes before editing any questions.
In this equation, how many atoms of the element CO are in the reactants?
3
CO is not an element
1
2