A
Units are what...
What every number must have
A chemical bond between oppositely charged ions
What is an ionic bond
A subatomic particle that has a negative charge
What is an Electron
mass / volume
How to calculate density
solid to liquid
What is Melting
One Place Value After the One Given
What is the correct place value
A chemical bond formed when two atoms share electrons
What is covalent bond
A positively charged subatomic particle
What is a Proton
Splitting Atoms Apart
What is Nuclear Fission
A method of separating immiscible liquids by pouring the top layer into another container.
What is Decanting
a substance which does not readily allow the passage of heat or sound.
What is an insulator
1 amu
What is a proton or electrons weight
A subatomic particle that has no charge and that is found in the nucleus of an atom
What is Neutron
A state of matter that has a definite shape and a definite volume
What is Solid
A state of matter with no definite shape or volume
What is Gas
An object or type of material that allows the flow of charge in one or more directions.
What is a conductor
electron dot structures
What is lewis dot
is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity
What is a bohrs model
A process that separates the substances in a solution based on their boiling points
What is Distillation
machine that separates substances by whirling them (An example is, this machine separates juicy bits from the OJ)
What is centrifuge
Rubber is
What is insulator
Between a metal and a non-metal
What is ionic
water after - water before
What is the displacement method
the method used to separate coloured chemicals or substances.
What is chromatography
A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
What is nuclear fission