is the process in which atoms are rearranged to form a new substance.
what is a chemical reaction?
100
is a solution is mixture in which two or more substances are mixed and cannot be separated.
What is a solution?
200
Weight changes depending on the circumstances, while mass remains always the same.
What is the difference between Mass and Weight.
200
Measure of the amount of mass in a given amount of volume.
What is density
200
an atom is the smallest particle in which a element can be divided and still be the same element.
What is an atom?
200
a chemical formula is used to model a chemical reaction, it uses chemical symbols.
How are chemical reactions modeled?
200
a solute is a liquid, gas, or a solid.This is the substance that is added into the solvent.
s solvent is can also be a liquid, gas or a solid, it is were the solute is dissolved.
What are two parts of a solution, and what are they?
300
Volume
What is the amount of space that an object takes place?
300
Mechanical energy, sound energy, electromagnetic energy, electrical energy, thermal energy, chemical energy, and nuclear energy.
What forms can energy take?
300
all matter is made up of atoms.
What is the theory of John Dalton?
300
it is a chemical formula joined together in an equation.
What is a chemical equation?
300
-dilute: has very little amount of solute in the solvent.
-a concentrated solution has a high amount of solute in the solvent.
-a saturated solution has the highest amount of solute in the solvent.
-a supersaturated solution has more solute than the solvent can have.
What are the four types of concentrations, and what are each?
400
-length x width x height
What is the formula of volume?
400
is a thing that takes place when energy changes form.
what is an energy transformer?
400
in the current atomic theory, electrons do not move in circular paths around the nucleus, electrons move with in an area around the nucleus called the electron cloud.
What is the current atomic theory?
400
the law says that mass can't be created of distorted.
What is the law of conservation of mass?
400
-acids increases hydronium ions present in water
-bases increases hydroxide ions present in water
What does acids and bases do in water?
500
Density is a measure of the amount of mass can take up different amounts of space.
-Formula: mass/volume
What is density and what is its formula?
500
reactivity and flammability
What are chemical properties of matter?
500
-an electron is negatively charged, it is located in the electron cloud.
-a proton has a positive charge and it is located in the nucleus.
-a neutron does not have a charge and it is located in the nucleus
What are the parts of an atom, what are their charges, and their location in an atom?
500
endothermic reactions is when energy is absorbed, and exothermic is when energy is released.
define endothermic and exothermic reactions.
500
strong acids and bases break a part completely, while weak acids and bases remain mostly intact.
What is the difference between strong acids and bases and weak acids and bases?