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- 1. Multiple Choice
Is H2O2 an element or a compound?
element
compound
- 2. Multiple Choice
An atom that gains or loses an electron becomes
an isotope
a new element
an ion
a molecule
- 3. Multiple Choice
When an atom gains an electron it becomes
negatively charged
positively charged
neurtal
- 4. Multiple Choice
Ionic bonds happen when valence electrons are
shared
too heavy
transferred
- 5. Multiple Choice
Valence electrons are
neutral (no charge)
found in the outer most energy level of the atom
equal to the number of protons
- 6. Multiple Choice
Which type of bonds create compounds?
covalent bonds
ionic bonds
metallic bonds
all type of bonds
- 7. Multiple Choice
Which type of bond occurs between non metals?
covalent bonds
ionic bonds
metallic bonds
all types of bonds
- 8. Multiple Choice
How many valence electrons does Oxygen have?
0
16
6
8
- 9. Multiple Choice
How many different elements are in the C6H12O6
3
6
12
24
- 10. Multiple Choice
How many total atoms are in C6H1206
3
6
12
24
- 11. Multiple Choice
What type of bond forms CaF2
covalent bond
ionic bond
metallic bond
all answers are correct
- 12. Multiple Choice
Which type of bond is creates MgFe?
covalent bond
ionic bond
metallic bond
all the bonds
- 13. Multiple Choice
What is the charge of an aluminum ion that has 13 protons and 10 electrons?
3+
3 -
no charge
- 14. Multiple Choice
Is this equation balanced? C3H8 + 5O2 = 4H2O + 3CO2
yes
no
- 15. Multiple Choice
How many oxygen atoms on each side of C3H8 + 5O2 = 4H2O + 3CO2
2
3
5
10
- 16. Multiple Choice
In order for a chemical reaction to occur,
there must be an explosion or fire
bubbling or gas must be produced
a new substance must be formed
the substance must turn color
- 17. Multiple Choice
After a chemical reaction occurs, atoms are not created nor destroyed,
just rearranged into a new substance
just changed into different elements
just turned into unstable elements
- 18. Multiple Choice
Most elements bond to create compounds because
their outer electron level is full
they are unstable
they are positively charged
- 19. Multiple Choice
Compounds that share specific valence electrons are formed by
covalent bonds
ionic bonds
metallic bonds
all types of bonds
- 20. Multiple Choice
Compounds or elements that share their pooled valence electrons are
covalent bonds
ionic bonds
metallic bonds
all types of bonds
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