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WorksheetsThe Structure of Matter
Total questions: 27
Worksheet time: 16mins
. The smallest particles of matter are called:
neutrons
solutions
atoms
elements
The picture shown is an example of a
(a)
2. Particles move fastest in a
solid
liquid
gas
slime
3. Particles are packed tightest in a
solid
liquid
gas
plasma
Which of the following correctly summarizes the process of ice turning into water and then into steam?
a solid to a gas to a liquid
a liquid to a gas to a solid
a solid to a liquid to a gas
a liquid to a solid to a gas
How do scientists know matter is made of particles?
They can see them.
A famous scientist decided it was true.
People have always known it.
Experiments have proven it.
What do scientists call a substance that is made of two or more atoms bonded together?
Atom
Proton
Electron
Molecule
The picture shows a Bohr model of which element?
Neon
Krypton
Calcium
Helium
Which three of the following can the Periodic Table be used for?
finding a list of elements
if an element occurs naturally
the atomic mass
the symbols used to identify each element
All of the answers
Who originally organized the elements into the Periodic Table?
Niels Bohr
Gottfried Munzenberg
Dmitri Medeleev
Anton Von Leewenhook
The picture shows a Bohr Model of which element?
Cadmium
Magnesium
Hydrogen
Oxygen
Which of these is NOT a physical property of matter?
Mass
Reactivity
Hardness
Colour
Which of the following is a chemical property of matter?
Volume
Density
Odour
Flammability
The picture shown is an example of a
(a)
What is the atomic number for Barium?
12
90
56
125
What is the atomic mass of Gold?
22.676
1.567
122.36
196.97
What is the atomic symbol for an atom with 47 protons and 61 neutrons?
Silver
Potassium
Promethium
Xenon
The picture shows an example of a
(a)
Which statement is supported by the atomic theory?
Atoms are easily destroyed when matter is cooled or heated.
Atoms combine to make all the substances on Earth.
Atoms come in different sizes, but most are visible using a simple hand lens.
Atoms are made up of smaller particles called molecules.
An atom or group of atoms in which the number of electrons is different from the number of protons is called a(n)
(a)
Which of the following best describes a mixture?
a material that is made up of many molecules
a substance that has been broken down into its smallest parts
a material that contains two or more different substances that are not chemically linked
a substance that can be changed into another substance
Elements on the periodic table are organized into families with similar properties
True
False
The picture shows a Bohr Model of which element?
Aluminum
Beryllium
Lead
Selenium
Elements in the Periodic Table are classified as
Noble gases, gases, and poisons
Metals, non-metals, and metalloids
Groups, Numbers, and Masses
Columns
How can you determine the number of Neutrons an element has?
Subtract the atomic number from the atomic mass
Check the atomic number
Count the electrons
Multiply the number of protons
Cations are negatively charged and anions are positively charged.
True
False
Atoms with the same number of protons, but differ in numbers of neutrons are called
(a)
