Periodicity Flashcards
1
Q
What is the periodic table based on?
A
position of element linked to physical and chemical properties
2
Q
What happens to atomic number as u go left to right?
A
Increases
3
Q
What is first ionisation energy?
A
The energy required to remove 1 electron from each atom in one molecule of gaseous atoms of an element to form one mole of gaseous 1+ ions
4
Q
Whats a example of a first ionisation energy?
A
Na(g) —> Na + (g) + e-
5
Q
A
