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WorksheetsElements and Compounds
Total questions: 25
Worksheet time: 21mins
How many atoms of Hydrogen (H) are there in glucose C6H12O6?
(a)
Element or Compound? Fe3
element
compound
Element or Compound? CO2
element
compound
Element or Compound? 4Na
element
compound
The basic particles of elements are called (a) ?
Atoms can be seen with the naked eye? T or F?
true
false
Agree or Disagree:
There are 4 atoms of Hydrogen (H) in 2H2O?
agree
disagree
How many atoms of Iron (Fe) are in rust? Fe2O3
(a)
(a) are substances that are made up of only one type of atom.
When two (or more) elements
are chemically joined together they form (a) ?
How many types of atoms do elements have?
(a)
How many elements are there in baking soda? NaHCO₃
(a)
How many kinds of elements are in sulfuric acid? H₂SO₄
(a)
An element is a substance that is made entirely from one type of (a) .
A compound is a substance made from _________ different elements that have been chemically joined.
two or more
less than one
one
17
Element or Compound?
(a)
Compound or Element?
(a)
This is the smallest particle of matter.
molecule
compound
element
atom
This is a substance made from two or more different elements that have been chemically joined.
Element
Compound
Fe2
Na3
What is the symbol for hydrogen?
(a)
What is the symbol for carbon?
(a)
What is the symbol for oxygen?
(a)
What is the symbol for Sodium?
(a)
How many oxygens (O) in H₂SO₄?
(a)
How many carbons (C) in C6H12O6?
(a)
