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- Multiple ChoicePlease save your changes before editing any questions.
Why do all bonds form?
so the number of protons equals the number of electrons
so an atom can become unstable
to fill the outermost energy level
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Valence electrons are found
in the innermost energy level of an atom
in the middle energy levels of an atom
in the outermost energy levels of an atom
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An atom with 3 valence electrons "wants" a full shell, so it can either gain 5 or lose 3. Which is more likely to occur?
Gain 5
Lose 3
Nothing
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Zinc fluoride
ZnF2
Zn2F
ZnF
Zn2F4
- Multiple ChoicePlease save your changes before editing any questions.
How many Aluminum atoms are in Al2O3?
3
5
2
1
- Multiple ChoicePlease save your changes before editing any questions.
When naming ionic compounds, the metal is always named first and the nonmetal is always named second.
True
False
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Write the correct formula for Sodium Chloride.
SC
SCl
NaCl
NaCl2
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Mg3N2
Magnesium nitride
Magnesium (II) nitride
Trimagnesium dinitrogen
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How do covalent bonds form?
By donating and receiving valence electrons between atoms.
Scientists still aren't sure.
Opposite slight charges attract each atom in the compound.
Sharing valence electrons between atoms
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What two types of atoms make a covalent bond?
2 Nonmetals
1 Metal and 1 Nonmetal
2 Metals
2 Noble Gases
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How many valence electrons does hydrogen have?
1
2
3
4
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Covalent compounds can have
Single Bonds
Double Bonds
Triple Bonds
Quadruple Bonds
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When an atom loses an electron, it becomes a
positive ion
negative ion
neutral ion
neutral atom
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What is the proper name for CH4?
Monocarbon hydride
Carbon tetrahydride
Monocarbon tetrahydride
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What is the proper name for S2O2?
Sulfur oxide
Sulfur dioxide
Sulfur (II) oxide
Disulfur dioxide