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