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Chemical Bonds
Test Description: Chemical Bonds
Instructions: Answer all questions to get your test result.
1) In a nonpolar covalent bond, electrons are
A
lost
B
shared equally
C
shared unequally
D
gained
2) What is the charge on the ions formed by the alkaline earth metals?
A
-2
B
+1
C
+2
D
-1
3) In an ionic bond, electrons are
A
shared equally
B
shared unequally
C
none of the above
D
lost or gained
4) In a polar covalent bond, electrons are
A
lost or gained.
B
shared equally.
C
shared unequally.
D
none of the above
5) Atoms that are not neutral (because they have lost or gained electrons) are called
A
non-charged.
B
protons.
C
ions.
D
electrons.
6) Calcium and oxygen will form a(n) ______________ bond.
A
none of the above
B
metallic
C
ionic
D
covalent
7) How is the bond in F2 different from the bond in KCl?
A
The bond in F2 is ionic and the bond in KCl is nonpolar.
B
The bond in F2 is covalent and the bond in KCl is ionic.
C
The bond in F2 is ionic and the bond in KCl is covalent.
D
The bond in F2 is metallic and the bond in KCl is ionic.
8) Metals tend to ____________ electrons and become _____________ ions.
A
lose, positive
B
gain, positive
C
gain, negative
D
lose, negative
9) When a Cl atom gains an electron, it gets a charge of ___________.
A
+2
B
-1
C
+1
D
-2
10) An ionic bond is one that forms between
A
oppositely charged ions.
B
atoms with very different electronegativities.
C
metals and nonmetals.
D
All of these are correct
11) Why do atoms bond with each other?
A
In order for each atom to have 7 valence electrons.
B
In order for each atom to have a full valence level.
C
In order for each atom to have 6 valence electrons.
D
In order for each atom to have an even number of electrons.
12) Which of the following statements is TRUE?
A
Ionic bonds form between oppositely charged ions.
B
All of these statements are true.
C
Noble gases have a stable electron configuration.
D
Covalent bonds form between nonmetals.
13) When 2 hydrogen atoms bond, the negative electron of one atom is attracted to the
A
outermost energy level of the other atom.
B
positive nucleus of the other atom.
C
neutrons of the other atom.
D
negative electron of the other atom.
14) Atoms that have similar electronegativity will form
A
metallic bonds.
B
covalent bonds.
C
no bonds.
D
ionic bonds.
15) Which of the following statements is TRUE?
A
Ionic bonds form between metals.
B
Noble gases are likely to form covalent bonds.
C
Covalent bonds require the sharing of electrons.
D
Electrons are shared unequally in a nonpolar covalent bond.
*select an answer for all questions
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