Atoms Flashcards
(22 cards)
1
Q
the smallest piece of matter that still retains the property of the element.
A
Atom
2
Q
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
A
Nucleus
3
Q
particles with an electrical charge of 1+.
A
Protons
4
Q
neutral particles that do not have an electrical charge of 1-.
A
Neutrons
5
Q
particles with an electrical charge of 1-.
A
Electrons
6
Q
particles that make up protons and neutrons.
A
Quarks
7
Q
A
Democritus
8
Q
A
John Dalton
9
Q
A
Joseph Thomson
10
Q
A
Ernest Rutherford
11
Q
A
Niels Bohr
12
Q
A
Electron Cloud
13
Q
A
Atomic Number
14
Q
A
Mass Number
15
Q
A
Isotopes
16
Q
A
Average Atomic Mass
17
Q
A
Periodic Table
18
Q
A
Dmitri Mendeleev
19
Q
A
Henry Moseley
20
Q
A
Groups
21
Q
A
Electron Dot Diagram
22
Q
A
Periods
