group 1 alkali metals Flashcards
group 1 metals have how many electrons in their outer shell?
1
how do group 1 metals react with oxygen?
rapidly
as we move down group 1, what is the trend in reactivity
the reactivity increases
group 1 metals react with oxygen to form a ____?
to form a metal oxide
all group 1 metals react with oxygen in the same way, why is this?
because they all have 1 electron in their outer energy level
how do group 1 metals react with chlorine?
rapidly
when group 1 metals react with chlorine, what is produced?
a metal chloride
group 1 alkali metals react with water to form a ______ + ___?
react to form a metal hydroxide + gas
in a group 1 alkali metal reaction with water, we see fizzing, what does this tell us?
tells us a gas is being produced
when a group 1 alkali metal reacts with water, the universal indicator turns purple, what does this tell us?
an alkaline solution is produced
why does the reactivity of group 1 alkali metals increase as you go down the table?
greater distance between electron and nucleus, so outer electron is less attracted to nucleus