Density
Periodic Table
Matter
Classification of Matter
Bohr Rutherford/Physical Properties
100
What is Density?
Measure of how tightly packed the particles are in a substance.
100
What is the vertical column on the periodic table called?
Group.
100
What are the 3 subatomic particles?
Protons, Neutrons, and Electrons.
100
The chemical formula for an element only has one symbol form the ________ _______.
Periodic Table
100
Bohr-Rutherford diagrams show the number of what?
Protons, Neutrons and Electrons.
200
In order to calculate density, what two things must you measure?
Mass and volume.
200
Group 17 on the periodic table is known as what?
Halogens.
200
What charge do protons have?
Positive.
200
What type of pure substance contains more than one symbol form the periodic table?
Compounds
200
What is the outermost ring called?
Valence Shell.
300
What is the formula for calculating density?
D=mass/volume
300
Group 1 on the periodic table is known as what?
Alkali Metals.
300
Particles at a higher temperature move faster than particles at a _______ temperature.
Lower
300
NaCl is an example of a?
Compound
300
How many valence electrons does Helium have?
2
400
What instrument must be used to measure mass?
Triple beam balance.
400
What is the symbol for calcium?
Ca
400
Particles ________ each other.
Attract
400
Salad Dressing is an example of a?
Mechanical Mixture
400
The way the surface of a substance feels is called what?
Texture
500
If an object has a mass of 12g and a volume of 6mL, what is the density?
2g/mL
500
What are the number of protons and neutrons in an atom known as?
Atomic Mass.
500
Each pure substance has it's own kind of particles, __________ from particles of other pure substances.
Different
500
What type of mixture has many parts but you can only see one?
Solution
500
The ability of a substance to reflect light is called?
Lustre
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