Font size
Worksheets2.4 Atoms - Revision
Total questions: 23
Worksheet time: 2hrs 39mins
True or False: Atoms are big.
True
False
Which of the following are elements?
Water
Hydrogen
Oxygen
Salt
Carbon
Identify all of the choices that are elements.
Potassium
Helium
Water
Carbon dioxide
Gold
What do we call the chart with the arrangement of elements?
The Proton Chart of Atoms
The Periodic Table of Molecules
The Periodic Table of Elements
How many elements are there in the periodic table?
118
100
226
too many to count
An atom of iron different in size and mass from an atom of sodium
True
False
All the atoms in a piece of gold are the same size
True
False
If there are 94 different kinds of naturally occurring atoms, how many different naturally occurring elements are there?
90 elements
94 elements
24 elements
118 elements
What is gold?
element
mixture
compound
Elements can be broken down further.
True
False
Why does a steel post have the same properties as a steel fork?
Both are made of the same type of atoms
Both are non-magnetic
Both are grey in color
both are non-metals
If you were to break down an element to its simplest form, it would be :
An atom
An element
A proton
A neutron
Pick one that describes elements:
All elements are non-metals
All elements exist only in a gas phase
Each element is made up of the same type of atoms
Each element is made up of different types of atoms
Why is every element on the Periodic Table of Elements different from each other?
They were discovered at different times
They are made of different atoms
They each have its own color
Scientist did not want to link them in the came classes
_________________ is something that scientists use to represent an idea or explanation.
A question
A claim
A model
A theory
Which of these is not a model?
a hot wheels/match box car
a Princess Leia action figure
an eighteen-wheeler (semi-truck)
a diagram of the inner workings of a clock
Models can be helpful in scientific investigations because
It may not be possible to work safely with the real thing.
They can be smaller and easier to study than the real thing.
They can be larger and easier to examine than the real thing.
all of these answers are correct.
All models have _______________. Even good models can often be made better.
replicas
computer simulations
limitations
drawings
Which of these is not a model?
Which is true?
Matter is made up proteins.
Atoms can divide into smaller pieces
All atoms of an element are exactly alike
Different elements are made up of the same kind of atoms
