Classification of Matter
Periodic Table
Chemical and Physical Properties
States of Matter
Chemical and Physical Changes
100
What are the two types of pure substances?
What is Elements and Compounds.
100
An atom of the element zinc has an atomic number of 30 and a mass number of 65. How many protons does an uncharged zinc atom have?
What is 30.
100
_____ is the amount of matter an object has.
What is Mass.
100
What is jar P to jar R.
100
What is a chemical change.
What is when a substance changes its identity
200
______ are pure substances that are made up of more than one type of element,chemically combined in a fixed ratio.
What is Compounds.
200
Which of the following elements is in period 2?
O, K, H, Ca
What is O
200
A rain puddle dries up because the water changes into a gas phase. What is the name of this process?
What is evaporation.
200
The diagrams below represent three phases of matter labeled A, B, and C.
Which table correctly identifies the phases of matter represented by the image?
What is liquid, gas, solid.
200
What is a example of a physical change.
What is liquid to solid, shredding paper, etc
300
Soil, a salad, and Kool-aid are all examples of
What is Mixtures.
300
How many groups are on the periodic table?
What is 18.
300
Is burning wood a chemical or physical change?
What is a chemical change?
300
Look at the illustrations.
Which model shows the structure and movement of particles in a solid?
What is model 2.
300
Is breaking glass chemical or physical.
What is physical
400
What type of mixture has the same properties throughout. And one substance is dissolved in a another?
What is Homogeneous Mixtures.
400
What subatomic particles make up the nucleus of an atom?
What is proton and neutrons.
400
Hardness, texture, , and freezing point are examples of __________ properties of matter
What is physical change.
400
How is energy related to the change of state represented by the following model?
A. Atoms gain energy as a gas changes to a solid
B. Atoms gain energy as a gas changes to a liquid
C. Atoms lose energy as a gas changes to a solid
D. Atoms lose energy as a gas changes to a liquid
What is C.
400
What are evidence of chemical reactions.
What is change in temperature, color change. making a new solid or gas.
500
What type of mixture does not have the same properties throughout?
What is Heterogeneous Mixtures.
500
Sodium is located on which period/row:
What is period 3.
500
Tom places four objects in a tank of water. He makes the following observation.
Which item(s) has more density than water?
What is a rock and chalk.
500
The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. After the change, the atoms are close together but are able to slide past one another.
Which arrow represents the change of state described above?
What is O
500
In which diagram is a chemical change occuring?
What is Diagram 3 .