Atoms 1
A source of nuclear energy
ATOM
A group of atoms that are together
MOLECULE
A subatomic particle with positive charge
PROTONS
A subatomic particle that has neutral charge
NEUTRONS
A subatomic particle that has a negative charge
ELECTRONS
the number of protons in the atom.
ATOMIC NUMBER
Something that is composed of two or more separate elements
COMPOUND
These 2 elements make a liquid, called water.
Hydrogen and Oxygen
has a definite volume and shape
solid
The ratio of mass to volumue
Density
something that is made up of an atom
ELEMENT
Something that is made of mixing other elements
MIXTURE
change of state from a gas to a liquid
Evaporation
can be measured without changing the identity of the substance
physical properties
These are sections on the periodic table organized in a vertical column
A group
The amount of matter in an object
MASS
These are sections on the periodic table organized in a horizontal row
A Period
Compounds that are classified as acidic, basic, or neutral by measuring their....
Ph
A solid becomes a liquid
Melting
A liquid becomes a solid
freezing
Something that takes up space and can be weighted
MATTER
A gas becomes a liquid
condensation
A gas becomes a solid
deposition
characteristic of a substance like an element or a compound, relating to how it can change as a result of a reaction
chemical property
the temperature at which a liquid boils and turns to vapor
boiling point