Trends In The Periodic Table Flashcards
(5 cards)
1
Q
How are elements arranged in the periodic table
A
.in increasing atomic number
Same group means same properties
2
Q
What is the covalent atomic radius
A
Radius of atom
3
Q
What is the first ionisation energy of an element
A
.the amount of energy required to remove 1 mole of electrons from one mole of atoms in the gaseous state
4
Q
Why is the 3rd ionisation energy so much higher than the 2nd
A
.lose full outer shell
5
Q
Why is the second ionisation energy higher than the first
A
.dont want to lose outer shell