NEW
Font size
WorksheetsElements and compound
Total questions: 10
Worksheet time: 5mins
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
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
contains 2 or more substances that are physically combined
element
compound
mixture
contains 2 or more elements that are chemically combined
element
compound
mixture
Which of the following does not describe elements?
All particles are alike
Can be broken down into simpler substances
Have unique sets of properties
Join together to form compounds
