Atoms
Elements
Matter
Periodic Table
History of the Atom
100
What is the small basic unit of matter?
What is an atom
100
What is this element?
Oxygen
100
Anything that has mass and takes up space
What is matter
100
The periodic table is a collection of what?
Elements
100
What model did JJ Thomson come up with?
Plum Pudding Model
200
This is an neutral particle in the nucleus of the atom.
What is a neutron
200
How many protons does Oxygen have?
8
200
What are the 3 states of matter?
Solid, Liquid, Gas
200
This is the number of protons in the nucleus of each atom of an element
What is the atomic number
200
Whose model do we use now?
Rutherford-Bohr model
300
These are atoms of the same element that have different numbers of neutrons.
What is an isotope
300
What is the atomic mass?
15.999
300
Name three properties of matter
Color, shape, odor, taste, texture, hardness, attraction to magnets.
300
This is the sum of the an atom's protons and neutrons
What is mass number
300
Earnest Rutherford discovered a dense positively charged region in the middle called the...
Nucleus
400
This is a positively charged particle in the nucleus of the atom
What is a proton
400
How many neutrons does it have?
8
400
What is the process of something going from a Gas to a Liquid?
Condensation
400
Ions are when an atom gains or looses a?
Electron
400
How many electrons can fit in the first 4 shells
1-2
2-8
3-18
4-32
500
This is a negatively charged subatomic particle
What is an electron
500
how many electrons go in the first and second shells?
1st-2
2nd-6
500
True-or False- Light is matter
What is False
500
Isotopes are when an atom gains or loses a?
Neutron
500
Who was the first to develop and idea about the atom?
Democritus