1.1 A Simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
State that everything is made of atoms
and recall what they are
12/13
Describe what elements and compounds
are
12/14
St
...
1.1 A Simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
State that everything is made of atoms
and recall what they are
12/13
Describe what elements and compounds
are
12/14
State that elements and compounds are
represented by symbols; and use
chemical symbols and formulae to
represent elements and compounds
14
HT ONLY: Write balanced half equations
and ionic equations
15
Describe what a mixture is 16
Name and describe the physical
processes used to separate mixtures and
suggest suitable separation techniques
16/17/18
Describe the difference between the
plum pudding model of the atom and the
nuclear model of the atom
19
State the relative charge of protons,
neutrons and electrons and describe the
overall charge of an atom
12
Calculate the number of protons,
neutrons and electrons in an atom when
given its atomic number and mass
number
12
Define the term relative atomic mass and
why it takes into account the abundance
of isotopes of the element
13
Describe how electrons fill energy levels
in atoms, and represent the electron
structure of elements using diagrams and
numbers
20
4.1.2 The Periodic Table
Recall how the elements in the periodic
table are arranged
22
Describe how elements with similar
properties are placed in the periodic
table
22
Explain why elements in the same group
have similar properties and how to use
the periodic table to predict the reactivity
of elements
22
Describe the early attempts to classify
elements
21
Explain the creation and attributes of
[Show More]
