chemical reactions - reactivity series Flashcards
1
Q
what is the reactivity series?
A
It is a series of elements where as you go down the elements get less reactive
2
Q
potassium + water >
A
potassium hydroxide + hydrogen
(alkali) (gas)
vigorous reaction
3
Q
how do potassium, sodium and lithium react with dilute acid?
A
dangerously reactive
4
Q
how does calcium react with dilute acid?
A
extremely vigorously
5
Q
how does magnesium react with dilute acid?
A
rapidly
6
Q
how does zinc react with dilute acid?
A
quite rapidly
7
Q
how does iron react with dilute acid?
how does copper react with dilute acid?
A
quite slow
no reaction
8
Q
what happens when metals react?
A
they lose electrons to become a positive ion
9
Q
what does the reactivity of a metal depend on?
A
the ability to lose an electron and form an ion
