Elements & Compounds
Mixtures & Solution
Atoms & Molecules
Atoms, Molecules, Compounds
Matter
100
K on the periodic table of elements represents the element -
A. Calcium
B. Nitrogen
C. Potassium
D. Carbon
C. Potassium
100
Which of these is a solution
A. Salt
B. Water
C. Lemonade
D. Sugar
C. Lemonade
100
An electron has a _______________ charge
A. Positive
B. Neutral
C. Negative
D. Cloud
B. Negative
100
Which of these will change solid iron to a liquid?
A. raising the air pressure
B. increasing its temperature
C. crushing the solid iron
D. adding water to the iron
B. increasing its temperature
100
Which of the diagrams best shows the arrangement of molecules in a solid? 
A
200
Identify the compound:
Water
Helium
Potassium
Oxygen
Water
200
Which of these is a mixture
A. Salt
B. Helium
C. Chocolate Milk
D. Chex-mix
D. Chex-mix
200
An proton has a _______________ charge
A. Positive
B. Neutral
C. Negative
D. Cloud
A. Positive
200
Which of these will happen if the temperature of a metal pan is increased?
A. the pan will begin to lose heat
B. the molecules of the pan will move faster
C. the metal will change into another metal
D. the pan will contract
B. the molecules of the pan will move faster
200
What will happen if the lid is removed from a container that holds helium gas?
A. The gas will expand and escape from the container
B. The gas will slowly change back into a liquid
C. When light hits the gas, it will change colors
D. Gravity will keep the gas in the container
A. The gas will expand and escape from the container
300
Identify the elements:
Water
Helium
Potassium
Salt
Helium & Potassium
300
A student makes a fruit drink by stirring a powdered mix into cold water. Why is the fruit drink a solution?
A. The powder dissolves in the water
B. The water changes color
C. The student stirs the water
D. The water in the proper temperature
A. The powder dissolves in the water
300
An Neutron has a _______________ charge
A. Positive
B. Neutral
C. Negative
D. Cloud
B. Neutral
300
When two or more elements combine to form a new substance
A. Compound
B. Molecule
C. Atom
D. Element
A. Compound
300
When ice cream is left out of a freezer, the ice cream changes from a -
A. Solid to a gas
B. Gas to a liquid
C. Solid to a liquid
D. Liquid to a gas
C. Solid to a liquid
400
Substance that cannot be broken down into simpler substance
A. Compound
B. Molecule
C. Atom
D. Element
D. Element
400
1. B - A - C - D
2. A - C - B - D
3. C - D - A - B
4. D - B - A - C
2. A - C - B - D
400
Smallest part of a compound
A. Compound
B. Molecule
C. Atom
D. Element
B. Molecule
400
Which of the diagrams best shows the arrangement of molecules in a liquid?
C
400
Oxygen, nitrogen, and carbon dioxide may be grouped together because at room temperature they are all a —
A. Solid
B. Liquid
C. Gas
D. Colloid
Gas
500
Water, ice, and steam are alike because they -
A. are the same compound
B. have the same shape
C. look the same
D. feel the same
A. are the same compound
500
All __________ are mixtures, but not all mixtures are solutions.
A. compounds
B. solutions
C. elements
D. mixtures
B. solutions
500
Smallest part of an element that skills had the physical properties of the element
A. Compound
B. Molecule
C. Atom
D. Element
C. Atom
500
Which of the following changes is possible with the addition of heat?
A. liquid water changes to ice
B. water vapor changes to ice
C. water vapor changes to liquid water
D. ice changes to liquid water
D. ice changes to liquid water
500
Which of the diagrams best shows the arrangement of molecules in a gas?
B