C4.1.1 - Group 1 : the alkali metals Flashcards
What is the name for the Group 1 elements?
Alkali metals
What are some properties of Group 1 elements?
They are shiny when freshly cut
Good conductors of electricity
They are all soft enough to cut with a knife
Going down Group 1
Their density increases
Their melting point and boiling point decreases
Reactivity increases
Why are Group 1 elements stored in oil?
Because they react rapidly with oxygen in the air or water
What happens to the reactivity as you go down group 1?
It increases
What happens to Group 1 elements in reactions?
They lose their outer electron
Why is it easier for more reactive elements to lose their electron?
Because they can lose their outer electrons more easily as the outer shell is further away from the nucleus
What is the density of water?
1.00 g/cm3
What happens when alkali metals react with water?
It produces the metal hydroxide and hydrogen
What kind of compounds do the alkali metals make?
They produce white or coloured ionic compounds
