Periodic Trends Flashcards
(4 cards)
1
Q
Why do elements in the same group have similar reactions?
A
They have the same number of electrons in their outer shell.
2
Q
What is the difference between physical and chemical properties?
A
Physical properties can be directly observed or measured, while chemical properties describe reactivity.
3
Q
What happens to the reactivity of Group 1 metals as you go down the group?
A
It increases.
4
Q
What happens to the reactivity of Group 7 elements as you go down the group?
A
It decreases.
