Periodic Table: Predicting Reactions Flashcards
(5 cards)
1
Q
What does the group number of an element indicate?
A
The number of electrons in the outer shell, except for helium
2
Q
What is the outer shel also called?
A
Valence shell
3
Q
What do the valence shell electrons do?
A
Influence how the element will react, this means elements in the same group react similarly
4
Q
The group 1 metals become____as you move down
A
more reactive
5
Q
The group 7 halogens show a____in reactivity moving down the group
A
decrease
