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Atomic Theories
Kinetic Theory
Density, Buoyancy, Viscosity
Periodic Table
Chemical Reactions
100
The three parts of Dalton's theory of the atom are: all elements are made of atoms all atoms of the same element are the same and...
What is atoms can join together to form molecules.
100
The kinetic theory states...
What is the higher the temperature of the substance, the faster the molecules move.
100
Mass over volume
What is the formula for density?
100
The number of atoms in the compound C6SO4
What is 11?
100
The Law of Conservation of Mass
What is matter cannot be created or destroyed?
200
Bohr's theory of the atom said that electrons determined this
What is energy levels
200
the change of state from a liquid to a gas
What is evaporation
200
The density of a substance with a mass of 360 and a volume of 7.5
What is 48 g/cm3
200
Elements that can conduct heat and electricity under CERTAIN conditions
What are semiconductors?
200
Polymers are large organic molecules made of these
What is repeating units?
300
The theory that says electrons move in waves
What is modern atomic theory?
300
During a chemical change, energy cannot be
What is created or destroyed
300
the resistance of a liquid to flow
What is viscosity
300
Noble gases are unreactive because
What is they have full outermost energy levels
300
A substance that undergoes a change in a chemical reaction is called
What is a reactant
400
The charge on an electron
What is negative 1
400
Anything that takes up space and has mass
What is matter?
400
The mass in grams of one mole of a substance
What is molar mass
400
These metals are the biggest group on the table and form compounds by losing electrons to form positive ions
What is transition metals?
400
When energy is transfered from the reactants to the surroundings in a chemical reaction, is the reaction called endothermic or exothermic?
What is exothermic?
500
Atoms have no electric charge because
What is they have the same number of protons and neutrons
500
An atom's mass number is
What is its protons plus its neutrons
500
The average atomic mass of cesium is 133 amu. What is the mass of 3 moles of cesium?
What is 399 g?
500
Name a compound with an ionic network structure
What is salt?
500
Digestion is an example of what kind of reaction?
What is decomposition?