Atom Flashcards
1
Q
Atom
A
The basic building blocks of ordinary
matter
2
Q
Matter
A
Matter is anything that takes up space and can be weighed.
3
Q
Element
A
An element is a substance whose atoms all have the same number of protons
4
Q
Electron
A
Negative, outside of the nucleus.
5
Q
Electrical charge
A
What charges the protons, electrons, etc.
6
Q
Proton
A
Positive, inside the nucleus.
7
Q
Neutron
A
No charge, inside the nucleus
8
Q
Shell
A
The rings on an atom.
9
Q
Atomic Mass
A
The Mass of an atom.
10
Q
Periodic Table
A
a table that shows
all the different
atoms there are
on Earth
11
Q
Atomic number
A
the number of protons in the nucleus of an atom.
12
Q
Nucleus
A
The center core of an atom.
