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