1.1 Atomic Structure Flashcards
1
Q
What is the largest amount of electrons you can have in each outer shell?
A
2,8,8,18
2
Q
What is the arrangement of electrons in Mg?
A
2,8,2
3
Q
What is the nucleus of an atom?
A
The centre of the atom which contains protons and neutrons
3
Q
How do you calculate the mass of an atom?
A
The mass number of an atom is the larger number in the periodic table
4
Q
Which subatomic particle is positive?
A
Proton
5
Q
What does the number of electrons in the outer shell tell you about an element?
A
The group it is in.
6
Q
How many protons, neutrons and electrons does carbon-12 have?
A
6 protons, 6 neutrons and 6 electrons
7
Q
What is the charge on a neutron?
A
0
8
Q
What is the charge of an electron?
A
-1
9
Q
Why are the noble gases unreactive?
A
They have a full outer shell of electrons.
