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WorksheetsElements and Compounds Test Review Day 7
Total questions: 29
Worksheet time: 58mins
What is the difference between Co and CO?
CO is an element but Co is a compound
Nothing is different. They are the same thing.
CO is two elements and Co is only one element
Co is not a pure substance
Which is the best description of an element?
A substance that cannot be broken down into simpler substances
A collection of atoms that have different abilities when joined together
A man-made mineral
A mixture of substances
Which one is a compound?
Ni
F
Re
NaCl
How many different elements are in the compound?
12
3
24
6
Which of the following is a compound:
Carbon
Water
Oxygen
Chlorine
"Na" is the element's
Chemical Formula
Compound
Name
Chemical Symbol
The place where known elements are represented...
The Periodic Table
Compounds
Chemical Formula
Graph
One way to tell how many elements a compound has is to..
the the square root of the total number of lettersThis is a wrong answer the the square root of the total number of letters
count the capital letters
add up all the numbers
count the letters
A substance that consists of 2 or more different elements is a
element
data table
symbol
compound
The periodic table is a listing of all the ____________.
chemical formulas
compounds
periods
elements
A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?
12
Magnesium
24.31
Mg
Compounds are different than elements because compounds are ---
combinations of two or more elements.
not able to be broken down into parts.
made from the same type of atoms.
a pure substance; elements are not.
This picture represents which of the following:
element
compound
Using the chart above, which gases make up the majority of the Earth's atmosphere?
carbon dioxide and oxygen
O₂ and N₂
CO₂ and N₂
CH₄ and O₂
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
Which pie chart MOST accurately reflects the information in the table?
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
Which element is most likely represented by the largest section of this pie chart?
lead
nitrogen
calcium
mercury
This picture represents which of the following?
element
compound
Helium (He) is an example of an:
Element
Compound
Solution
Mixture
The air (earth's atmosphere) is mainly made up of ........
nitrogen
oxygen
carbon dioxide
