What is an element?
How are electrons arranged in
an atom?.
What sub-atomic particle is the same in all
atoms of a particular element?
Where do we find all the elements?
Complete the table to show the properties
of the sub-atomic particles.
What is the overall charge on an
atom? Explain your answer.
Sub-atomic
particle
Complete the equation
Label the diagram to show the
structure of an atom.
the
alkali
metals
so
noble
1/1840
Complete the diagram to show
the electronic structure of
magnesium.
Mg
Neutrons
Hydrogen
Li2O
Complete the equation
Lithium + Water
30
Give
the
electronic
configuration of the following
elements.
Silicon
Helium
Lithium
Argon
What happens to mass in a
chemical reaction?
Mass number:
Electrons
Li + O2
Potassium
What do the following tell you?
Atomic number:
Balance the equation
below and
explain
what it shows.
Number of
Protons
Write the chemical symbols for
the following elements:
Oxygen
Sodium
Fluorine
Nitrogen
gases
What type of boding occurs
between non-metals?
Element
1
.
Complete the table below.
Relative
mass
0
Describe how a metal and nonmetal react to form an ionic
bond.
Why are the
unreactive?
Relative
charge
Proton
Sodium + Oxygen
Why are
reactive?
Why are nitrogen and phosphorus
both in group 5?
What is an element?
Substanve made of
only one type of
atom.
How are electrons arranged in
an atom?.
In different energy levels.
What sub-atomic particle is the same in all
atoms of a particular element?
Protons
Where do we find all the elements?
In the periodic table
What is the overall charge on an
atom? Explain your answer.
Neutral
The number of electrons, which are
negtive, is equal to the number of
protons, which are positive
Label the diagram to show the
structure of an atom.
electron
neutron
proton
nucleus
Why are the alkali metals so
reactive?
They only have one electron in their
outer energy level.
Complete the table to show the properties
of the sub-atomic particles.
Sub-atomic
particle
Complete the equation
Sodium + Oxygen
Describe how a metal and
metal react to form an
bond.
Metal loses electrons,
becomes a positive ion
Non-metal gains electrons
becomes of positive ion
Sodium oxide
nonionic
and
and
What type of boding occurs
between non-metals?
Covalent
Balance the equation
below and
explain
what it shows.
Number of
Protons
Neutrons
Electrons
Potassium
19
21
19
Hydrogen
1
0
1
Zinc
30
35
30
2Li + O2
Relative
charge
+1
1
Neutron
0
1
Electron
-1
1/1840
Write the chemical symbols for
the following elements:
Oxygen O
Sodium Na
Fluorine F
Nitrogen N
Mg
What do the following tell you?
Atomic number: number of
protons in an atom
Mass number: number of protons
and neutrons in an atom
Li2O
2 atoms of lithium
React with one molecule of oxygen
To form 1 molecule of lithium oxide
Relative
mass
Proton
Complete the diagram to show
the electronic structure of
magnesium.
Why are the noble gases
unreactive?
They have a full outer shell of
electrons.
Complete the table below.
Element
Why are nitrogen and phosphorus
both in group 5?
They both have five electrons in
their highest energy level
Give
the
electronic
configuration of the following
elements.
Silicon 2, 8, 4
Helium 2
Lithium 2, 1
Argon 2, 8, 8
What happens to mass in a
chemical reaction?
It is conserved.
Complete the equation
Lithium + Water
Lithium+ Hydrogen
Hydroxide