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1st Semester Exam 2
Test Description: Exam questions
Instructions: Answer all questions to get your test result.
1) How many valence electrons does a neutral chlorine atom have
A
0
B
7
C
1
D
8
2) Which type of bond does Li and F make
A
unstable
B
covalent
C
stable
D
Ionic
3) Why do noble gases NOT form compounds
A
they have empty outer energy levels
B
their outer energy levels are completely filled with electrons
C
they have no electrons
D
they have seven valence electrons
4) type of chemical bond formed when electrons are transferred
A
ionic
B
magnetic
C
hydrate
D
covalent
5) number of electrons an atom gains, loses, or shares
A
oxidation number
B
atomic number
C
ionic number
D
atomic mass
6) type of chemical bond when atoms share electrons
A
ionic
B
magnetic
C
covalent
D
polyatomic
7) group 18 elements are called
A
alkaline
B
halogens
C
noble gases
D
alkali
8) Elements that have properties of both metals and nonmetals
A
zyborgs
B
metals
C
nonmetals
D
metalloids
9) the sum of the number of protons and the number of neutrons in an atom is
A
atomic number
B
atomic mass
C
mass number
D
electron dot diagram
10) elements that are found on the left side of the periodic table are
A
metalloids
B
metals
C
silly
D
nonmetals
*select an answer for all questions
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