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Science Nine Chapter Three
Test Description: Science 9 Chapter 3
Instructions: Answer all questions to get your test result.
1) Atoms in non-metals tend to gain
A
ions
B
molecules
C
electrons
D
atoms
2) Which of the following can be formed when there is electon transfer between metals and non-metals?
A
covalent bond
B
element
C
ionic bond
D
molecule
3) Water is a(n)
A
covalent compound
B
polyatomic ion
C
element
D
ionic compound
4) How many chlorine atoms are in the compound calcium chlorate Ca(ClO3)2?
A
3
B
1
C
2
D
6
5) What is the ending of an ionic compound consisting of two elements (a metal and a non-metal)?
A
ine
B
ate
C
ide
D
ite
6) In the name "cobalt (II) phosphate", what does the Roman numeral reveal about cobalt?
A
it has an ionic charge of 2-
B
it has gained 2 electrons
C
it can form two positive ions
D
it has an ionic charge of 2+
7) What is the name for the compound CaCl2
A
calcium chlorine
B
calcium chlorate
C
calcium chloride
D
calcium (II) chloride
8) barium phosphide is a(n)
A
ionic compound
B
covalent compound
C
polyatomic ion
D
ionic lattice
9) Which of the following is an example of a physical change?
A
a campfire burning
B
carbon dioxide being produced in the engine of a running car
C
an antacid tablet fizzing after it is placed in water
D
a glacier melting
10) Which of the following is endothermic?
A
ice melting
B
water freezing
C
gasoline burning in an engine
D
dynamite exploding
*select an answer for all questions
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