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WorksheetsSTAAR Review Day 14
Total questions: 20
Worksheet time: 21mins
In the chemical formula H2O , how many hydrogen atoms are present?
1
2
3
4
In the compound NaCl , what is the number of sodium atoms?
1
2
3
4
Identify the number of carbon atoms in the formula C6H12O6 .
6
12
18
24
For the chemical formula H2SO4 , how many sulfur atoms are there?
1
2
3
4
Identify the number of hydrogen atoms in the formula C2H5OH .
5
6
7
8
Which element is a rare Earth element?
Palladium
Cerium
Cobalt
Tin
What term describes a pure substance made up of two or more different elements in a specific ratio?
Element
Solution
Compound
Matter
Which of the following is a pure substance made up of one type of atom?
Compound
Solution
Element
Matter
What is the term for a substance that occupies space, has mass, and is composed of microscopic particles?
Solution
Matter
Element
Compound
What term describes the unique combination of chemical symbols and subscripts that describe which and how many of each element are bonded together in a compound?
Periodic table
Chemical formula
Solution
Element
This word is used to describe a substance that breaks apart easily and is weak and fragile
Conductivity
Ductile
Malleable
Brittle
Manganese is shiny, conducts heat and electricity, and can be hammered into thin sheets. What is is?
Nonmetal
Metal
Metalloid
None of the above
Silicon has a dull, metallic luster, conducts heat well, and is brittle. What is it?
Nonmetal
Metal
Metalloid
None of the above
Where are the nonmetals located on the Periodic Table?
On the right
On the left
On the stairstep
Where are the metalloids located on the Periodic Table?
On the right
On the left
On the stairsteps
______________ refers to the way a metal can be hammered or rolled into thin sheets.
Luster
Malleable
Metalloids
Solid
Which of the following represents an element?
H2O
HCl
NaCl
Au
CaCO3
Which of the following is a Metal?
Sodium
Carbon
Oxygen
Argon
The colored part of the periodic table is called (a) .
An element has a metallic luster. Also, it is a good conductor of heat & electricity and malleable. In which section of the periodic table would the element most likely be found?
section 1
section 2
section 3
