Science Nine Chapter Three Question Preview (ID: 4185)


Science 9 Chapter 3. TEACHERS: click here for quick copy question ID numbers.

Atoms in non-metals tend to gain
a) molecules
b) electrons
c) atoms
d) ions

Which of the following can be formed when there is electon transfer between metals and non-metals?
a) molecule
b) covalent bond
c) ionic bond
d) element

Water is a(n)
a) element
b) covalent compound
c) ionic compound
d) polyatomic ion

How many chlorine atoms are in the compound calcium chlorate Ca(ClO3)2?
a) 1
b) 6
c) 3
d) 2

What is the ending of an ionic compound consisting of two elements (a metal and a non-metal)?
a) ate
b) ide
c) ine
d) ite

In the name "cobalt (II) phosphate", what does the Roman numeral reveal about cobalt?
a) it has gained 2 electrons
b) it has an ionic charge of 2-
c) it has an ionic charge of 2+
d) it can form two positive ions

What is the name for the compound CaCl2
a) calcium chlorate
b) calcium chloride
c) calcium chlorine
d) calcium (II) chloride

barium phosphide is a(n)
a) ionic compound
b) covalent compound
c) polyatomic ion
d) ionic lattice

Which of the following is an example of a physical change?
a) a glacier melting
b) a campfire burning
c) an antacid tablet fizzing after it is placed in water
d) carbon dioxide being produced in the engine of a running car

Which of the following is endothermic?
a) dynamite exploding
b) ice melting
c) gasoline burning in an engine
d) water freezing

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