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VOCABULARY
ATOMS
COMBINATION OF ATOMS
PROPERTIES OF MATTER
TEST QUESTIONS
100
Anything that has mass and takes up space.
What is MATTER.
100
Is the number of Electrons equal to the number of Protons?
YES!!!! Atomic number= number of protons=number of electrons
100
How many atoms does a water molecule have?
Two Hydrogen and one oxygen atom.
100
What are the four states of matter?
What is Solid, Liquid and Gas.
100
In an atom, what forms a cloud around the nucleus? A. Electrons B. Protons C. Neutrons D. Positively Charged Particles
ELECTRONS
200
Substances that are made up of only one type of atom and cannot be broken down into simpler substances.
What are ELEMENTS.
200
Where can the atomic number be found on the periodic table?
Above the element symbol
200
What is another name for a homogeneous mixture?
What is a SOLUTION.
200
What is the formula for density?
d=m/v d is for density m is for mass v is for volume Mass divided by volume
200
What type of property is the color of your clothes? A. Chemical Property B. Physical Property C. Isotopic Property D. Molecular Property
Physical Property
300
This contains atoms of more than one type of element that are chemically bonded together.
What is a COMPOUND.
300
A positively charged particle.
What is a PROTON.
300
What is the difference between and homogeneous mixture and a heterogeneous mixture?
Heterogeneous mixtures are not mixed evenly( each component keeps its own properties) Homogeneous mixtures are evenly mixed throughout.
300
Give me an example of water in three states of matter?
Solid= ice Liquid= drinking water Gas=Steam
300
Which of the following isotopes has seven neutrons? A. Boron-12 B. Nitrogen-12 C. Carbon-14 D. Hydrogen-2
Boron-12
400
This composed of two or more substances that are NOT chemically combined.
What is a MIXTURE.
400
How many protons are in an atom of gold if the atomic number is 79?
79
400
What type of mixture is iced tea?
What is a homogeneous mixture.
400
Why does ice float in water?
Ice is less dense than water.
400
Which of the following contains only one type of atom? A. Compound B. Mixture C. Element D. Solution
Element
500
Electrically charged atom whose charge results from an atom losing or gaining electrons.
What is an ION.
500
What are the particles found in the models of an atom?
Protons and Neutrons
500
What type of bond holds copper atoms together?
What is metallic.
500
When does a liquied change to a solid and when does liquid change to a gas?
At the freezing point and the boiling point.
500
Which of the following is not a physical property of water? A. Transparent B. Colorless C. Higher Density than Ice D. Changes to Hydrogen and oxygen when electricity passes through it
Changes to hydrogen and oxygen when electricity passes through it.