periodic table Flashcards
1
Q
what is the atomic radius?
A
the distance from the centre of the nucleus to the outermost orbit
2
Q
what happens to the atomic radius across a period?
A
decreases from left to right as the nuclear charge increases +1 ( increased protons)
3
Q
what happens to the atomic radius down a group?
A
increases down a group as there are more e- shells, electron is further away from the nucleus
4
Q
A
5
Q
A
