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Chemical Bonds
Test Description: Know the different types of chemical bonds ( Ionic and Covalent)
Instructions: Answer all questions to get your test result.
1) The bond formed when Mg combines with O2 is...
A
ionic
B
metallic
C
covalent
2) n an ionic bond, electrons are _________ or _______.
A
lose or gain
B
neither
C
share
D
all the above
3) How is the bond in F2 different from the bond in KCl ?
A
F2 and KCl are covalent
B
F2 is covalent while KCl is ionic
C
F2 is ionic and KCl is ionic
D
F2 is ionic while KCl is covalent
4) The process of becoming an ion from an atom is called as ________.
A
ionization
B
electrolysis
C
electronegativity
5) When a Cl atom gains an electron, it gets a charge of ________.
A
+1
B
none of the above
C
-1
D
0
6) An atom that has lost or gained electrons becomes a (an) _______.
A
ion
B
proton
C
electron
D
atom
7) Non-metals tend to _______ electrons to be come ________ ions.
A
lose, positive
B
gain, neutral
C
gain, negative
D
lose, neutral
8) Metals tend to _______ electrons to become _____ ions.
A
gain, neutral
B
gain, positive
C
lose, positive
D
gain, negative
9) Ionic bond is formed between atoms of ________ and _______.
A
metals and metalloids
B
nonmetals and nonmetals
C
non-metals and metals
D
metals and non metals
10) Covalent bond is formed between atoms of ________.
A
metals
B
halogens
C
noble gases
D
non-metals
11) Valence electrons are located_______.
A
closer to the nucleus
B
on the outer principal energy level
C
in the nucleus
*select an answer for all questions
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