What are the 4 states of matter?
Solid, liquid gas, plasma
The basic building block of all matter
Atom
H
Hydrogen
The amount of matter in an object
Mass
Which state of matter has the highest atomic energy?
Gas (or plasma)
What subatomic particle has a negative charge?
Electron
Two different elements chemically combined...
Compound
O
Your ________ would change if you teleported to a different planet of different mass.
Weight
What did the first model of an atom look like?
Solid sphere
Empty space
2 of the same elements combined...
Molecules
C
Carbon
The amount of space an object takes up
What do we call the particles that make up atoms?
Most of the mass of an atom comes from what two subatomic particles?
NaCl is an example of a(n)......
Compound
Na
Sodium
What is the density if the Mass of a rock is 4g and the Volume of the rock is 2mL?
Who proposed the first model of an atom?
Dalton
What should the overal charge of the nucleus be?
Positive
Homogenous, Heterogeneous, Compound, or Element:
All of the students in Brevard Academy
Heterogeneous Mixture
How many elements are there?
118