Elements and Atoms
_______________ are very small particles that make up ________________.
Elements can be written in a quick way by using their ____________. The
symbol for Chlorine is ________ and _______________ has the symbol Na.
Elements are materials that are made from only _______ type of atom. Two
examples of elements are ________________ (a non-metal) and
______________________ (a metal). Elements are listed in groups in the
________________________________.
A material that is made up of two or more atoms of the same element is called
a _____________________. Examples of elements that are found as
molecules are gases, such as ___________________and _______________.
A material that is made up of two or more different elements is called a
______________________. An example of a compound is
_______________________ (made from Carbon and Oxygen).
Compounds and molecules are ____________________________________.
When a ___________________ of two or more elements is made the
elements do not react.
ATOMS
MOLECULE
ONE
HYDROGEN
Draw the
compound
that contains twoSYMBOLS
atoms of Hydrogen
and one of
CARBON
DIOXIDE
ELEMENTS
Oxygen.
SODIUM
MAGNESIUM
PERIODIC TABLE
MIXTURE
COMPOUND
CARBON
Cl
CHEMICALLY JOINED
OXYGEN
Draw the compound that contains two Hydrogen atoms and one Oxygen
atom.
What is this compound normally called?
________________________
Complete the following equations
Iron
+
Oxygen
Sulphur
+
Oxygen
+
Copper Oxide