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