3.2 - Atomic Structure Flashcards
1
Q
Relative mass and charge of a proton?
A
Relative mass = 1
Relative charge = +1
2
Q
Relative mass and charge of a neutron?
A
Relative mass = 1
Relative charge = 0
3
Q
Relative mass and charge of a electron?
A
Relative mass = 0.001
Relative charge = -1
4
Q
Where are protons and neutrons found?
A
the nucleus
5
Q
Where are electrons found
A
In the shells around the nucleus.
6
Q
What is an atomic number?
A
The number of protons
7
Q
What is the mass number?
A
the total number of protons and neutrons
8
Q
What is an isotope?
A
Isotopes are atoms with the same number of protons but different numbers of neutrons.
9
Q
How to calculate the isotope of an element?
A
RAM = (%abundance/100 x mass number) + (%abundance/100 x mass number)
10
Q
Is a period a row or a column?
A
row
11
Q
Is a group a row or a column?
A
column
