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Chemical Bonding Basics
Test Description: Ionic covalent metallic
Instructions: Answer all questions to get your test result.
1) Ionic bonds occur between...
A
2 metals
B
metalloids only
C
a metal and a nonmetal
D
2 nonmetals
2) What are valence electrons?
A
The smallest electrons
B
The electrons located in the outermost shell
C
Electrons that are closest to the nucleus
D
Electrons that do not bond
3) The Group Number that an atom belongs to tells us...
A
How many electrons an atom has in the inner shell
B
How many neutrons an atom has
C
How many protons an atom has
D
How many valence electrons an atom has
4) In which type of bond are electrons shared?
A
Valence
B
Covalent
C
Ionic
D
Metallic
5) Covalent bonds form between...
A
metalloids
B
2 nonmetals
C
2 metals
D
A metal and a nonmetal
6) In an ionic bond, atoms...
A
Lose all of their valence electrons
B
Lose protons from the nucleus
C
share valence electrons
D
Donate/receive electrons from/to their outermost shell
7) How many valence electrons does Carbon have?
A
2
B
3
C
5
D
4
8) Is ammonia (NH3) an ionic compound?
A
yes
B
maybe
C
I have no idea
D
no
9) Choose the covalent compound.
A
NaCl
B
NaF
C
MgO
D
CO2
10) What will Fluorine (F) do with its electrons to become stable?
A
lose 1
B
lose 3
C
gain 2
D
gain 1
11) According to the Octet Rule, an atom will try to obtain how many electrons to become stable?
A
4
B
6
C
3
D
8
12) Describe metallic bonding
A
Negative metal atoms in a sea of neutrons.
B
Positve metal atoms in a sea of protons.
C
Positive metal atoms in a sea of neutrons.
D
Positive metal atoms in a sea of electrons.
13) What kind of bond will water form? H2O
A
there is no bond
B
covalent
C
metallic
D
ionic
14) What is the only Noble Gas ( Group 18) that has 2 valence electrons instead of 8?
A
xenon
B
argon
C
helium
D
neon
15) What kind of bond will sodium hydroxide (NaOH) form?
A
ionic
B
covalent
C
metallic
D
there is no bond
16) Chlorine (Group 17) will form a covalent compound with which element? Hint (Group 1)
A
LIthium ( Li )
B
Magnesium ( Mg)
C
Flourine ( F )
D
Barium ( Ba )
17) Which of the following elements is stable and will not form bonds easily?
A
Bromine ( Br )
B
Phosporous ( P )
C
Krypton ( Kr )
D
Iodine ( I )
18) Which of these elements has 5 valence electrons?
A
Boron ( B )
B
Nitrogen ( N )
C
Potassium ( K )
D
Oxygen ( O)
19) What kind of bond will HCl form?
A
metallic
B
covalent
C
there is no bond
D
ionic
20) Sulfur (Group 16) will form an ionic bond with which element? (Hint Group 2)
A
Sr
B
F
C
Ar
D
Se
*select an answer for all questions
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