Periodic Trends Flashcards
1
Q
Does atomic radius increase or decrease down a a column ? across a row ?
A
increases down, decreases across
2
Q
What is effective nuclear charge ? Does it increase or decrease down a a column ? across a row ?
A
- How strongly nucleus hold electrons
- decreases down, increases across
3
Q
How to calculate effective nuclear charge ?
A
Z - S
(atomic #) - (core e-)
4
Q
What are cations ? anions ?
A
- Cation: e- removed; positive; smallest
- Anion: e- added; negative; biggest
5
Q
How does Ionization energy change down a column and across a row ?
A
Decreases down, increases across
6
Q
What is successive ionization energy ??
A
7
Q
DO MPORE
A
8
Q
Periodic trend of melting and boiling point ?
A
both increase across, decrease down
9
Q
A
10
Q
A
