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WorksheetsProperties of Matter
Total questions: 14
Worksheet time: 8mins
Name
Class
Date
1.
Which best explains how atoms combine to from compounds?
a)
The atoms in the compounds share electrons.
b)
The atoms in the compound share neutrons
c)
The atoms in the compounds share protons
2.
Which element is in the same family as Chlorine(Cl) and Fluorine (F)?
a)
hydrogen (H)
b)
Lithium (Li)
c)
Oxygen (O)
d)
Bromine (Br)
3.
Sodium (Na), lithium(Li), and potassium (K) are grouped together. Which property do they share?
a)
soft texture
b)
high reactivity
c)
semiconductivity
d)
gas at room temperature
4.
When elements chemically combine, which best describes the resulting compound?
a)
It has different ratios of atoms
b)
It has different types of matter
c)
It has the same properties as the uncombined elements
d)
It has different properties from the uncombined elements
5.
How many atoms are in one formula unit of magnesium hydroxide, Mg(OH)2?
a)
6
b)
5
c)
4
d)
3
6.
When burning methane gas, which outcome best demonstrates the law of conservation of mass?
a)
CH4→CO2+ H2O
b)
CH4 + O2 → CO2 + 2H2O
c)
CH4 + O2 → CO2 + 2H2O
d)
CH2 + 2O2 → CO2+ 2H2O
7.
Where are the most reactive metals located on the periodic table?
a)
the uppermost complete row of the table
b)
the rows at the bottom of the table connecting two section
c)
the column at the far left side of the table
d)
the second column from the right side of the table
8.
Sodium reacts with water. Which element is most likely to have a similar effect to sodium ?
a)
Carbon
b)
Oxygen
c)
Lithium
9.
Which property is unique for each element?
a)
Mass Number
b)
Atomic Number
c)
State of Matter
10.
What do the atomic numbers represent?
a)
number of atoms
b)
number of protons
c)
number of neutrons
11.
What chemical reaction results in the formation of a solid?
a)
acid base reaction
b)
endothermic
c)
precipitate
12.
Which is the best evidence that a chemical change in matter has occurred?
a)
a solid melts
b)
a gas is produced
c)
matter is destroyed during a chemical reaction
13.
Which best describes the solid that forms when two liquids combine in a chemical reaction
a)
gas
b)
energy
c)
precipitate
14.
Which demonstrates a chemical change?
a)
ice melting in a warm soda
b)
molten gold freezing to from a ring
c)
breaking a cold pack, casuing a sudden drop in temperature
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