Atomic Theory And History Of The Atom Flashcards
1
Q
3 main components to an atom?
A
Protons
Electrons
Neutrons
2
Q
No charge?
A
Neutrons
3
Q
Electrons
A
Negative charge
4
Q
Protons
A
Positive charge
5
Q
Where is the mass concentrated into in the atom?
A
In the central nucleus along with protons
6
Q
What are found in the outer rings?
A
Electrons
7
Q
How many electrons can be held in the first ring?
A
2
8
Q
How many electrons can the outer shells contain
.
A
1-8
9
Q
What is the top number above the symbol of the element called?
A
The mass number
10
Q
What is the bottom number called below the symbol of the element?
A
Atomic/proton number
11
Q
What does the atomic number show?
A
How many protons and electrons it has
12
Q
How do you work out the number of neutrons?
A
You take away the atomic number from the mass number. (Bottom from top)
