WorksheetsTest #1 Review - Matter, Changes & Periodic Table
Total questions: 45
Worksheet time: 45mins
__________ are the building blocks of all matter.
solids
gases
atoms
nutrients
A pure substance that cannot be broken down into any other substance by chemical or physical means. There are about 120 of us shown in the Periodic Table
compound
mixture
molecule
element
an atom with atomic number 6 would have a mass number of what?
6
12
3
cannot be determined
In the modern periodic table elements are arranged by:
increasing atomic mass
increasing atomic number
Elements which are shiny, conduct electricity and heat are called ___________.
metal
nonmetal
metalloid
Which element is not a metal?
Fe
B
Al
Which is a halogen?
Helium
Chlorine
Oxygen
Which is an alkali metal?
Magnesium
Iron
Sodium
energy levels
similar chemical properties
protons
Group 1
Group 17
Group 18
Elements which are considered semiconductors are _____________.
metals
nonmetals
metalloids
In the picture for Hydrogen, what does the 1.00794 stand for?
chemical symbol
atomic number
atomic mass
CaCO3 represents
Symbol of an element
Formula of a Compound
Formula of a mixture
How many Hydrogen (H) atoms are in NH3O5?
3
4
5
At the end of a chemical reaction, what is the total mass of the reactants compared to the total mass of the products?
the product is doubled
the product is half the mass of the reactants
the mass is the same
An unknown element is a good conductor of heat and electricity and has a shiny appearance.
Which of the following classifications best describes the unknown element?
Metal
Nonmetal
Metalloid
Element
Pictured is a model of the atoms of a solid, liquid, and gas to compare the motion of the particles.
Which state of matter does each image represent?
A - solid, B - liquid, C - gas
A - gas, B - liquid, C - solid
A - liquid, B - gas, C - solid
A - liquid, B - solid, C - gas
Each sphere in the diagrams represents an atom.
Which of the following diagrams depicts an example of a mixture?
Which state of matter will take both the volume and shape of the container that holds it?
GAS
ICE
LIQUID
SOLID
In which state of matter are the particles able to move the most freely?
SOLID
NONE
LIQUID
GAS
Evaporation of acetone is an example of:
chemical change
physical change
physical property
chemical property
Freezing of liquid nitrogen is an example of:
physical change
chemical change
physical property
chemical property
Burning leaves is an example of:
chemical property
physical change
chemical change
physical property
Mixing sugar and water is an example of:
physical property
chemical change
physical change
chemical property
Reactivity, ability to rust and oxidation are examples of
physical properties
physical change
chemical properties
chemical change
Elasticity, ductility, malleability and melting point are examples of:
physical change
chemical change
physical property
chemical property
Gasoline, stainless steel, air and dirt are example of :
pure substances
mixtures
A chocolate chip cookie is an example of a(n)
element
compound
homogeneous mixture
heterogeneous mixture
Steel, salt water and Kool-aid are examples of:
pure substance; elements
pure substance; compounds
mixtures; homogeneous
mixtures; heterogeneous
Identify the common signs that a chemical change has occurred.
Color Change
Mass Increase
Energy/Temperature Change
New Solid is Formed
Gas is Formed
Which separation technique is best for separating a mixture of sand and water?
Distillation
Evaporation
Filtration
Magnetism
