The basic building block of all matter
What is Atom?
The three states of matter
What is solid, liquid, and gas?
The Periodic Table arranges elements by...
What is increasing atomic number?
Define Diatomic
What is two of the same atoms?
The center of the atom
What is nucleus?
The Greek word atomos, means
What is Indivisible?
Fixed position, very little movement, and keeps it shape
What is solid?
The atomic number represents...
What is the number of protons an element has?
What is mixture?
The smallest particles of an element that still have the element's properties
What is an atom?
When two or more elements combined
What is a Compound?
To change state from a liquid to a gas
What is evaporate?
The group number indicates...
What is how many valence electrons an element has?
The charge of the nucleus of an atom?
What is positive?
The subatomic particle that determines the element
What is Proton?
When the components of the mixture are spread out throughout the solution but are still big enough to see and to settle out
What is Suspension?
Spread out position, has some movement, takes the shape of the container it is in
What is Liquid?
This Alkali metal is highly reactive in its pure form and must be stored in oil.
What is Sodium?
British scientist that proposed atoms are made of smaller particles that have positive and negative charges.
What is J.J. Thompson?
This subatomic particle is about 2,000 times smaller than it's counterparts.
What is electron?
The number and arrangement of this subatomic particle determines the element's chemical properties
What is Electron?
This state of matter has no attraction between particles and moves quickly in all directions
What is gas?
The Inert Gas that has four energy levels/shells
What is Krypton?
Niels Bohr was this nationality
What is Danish?
Atoms of the same element that have a different number of what subatomic particle are called Isotopes.
What is Neutron?