Alkali Metals Flashcards
Alkali Metals (12 cards)
What is the colour of alkali metals?
shiny
Do alkali metals tarnish?
yes, quickly
Do alkali metals conduct electricity?
yes
Are they reactive?
yes
The further away from the nucleus, the —– it is for the outermost electron to escape?
easier
When a sodium atoms reacts what happens?
It loses its outermost electron
Which metals float on water?
Lithium, Sodium, Potassium
Which metals make hissing sounds when reacting with water?
All of them
Which metals turns into a sphere when reacting with water?
Sodium and Potassium
Which leaves a trail and turns the universal indicator mauve when reacting with water?
All of them
Which metals gas catches fire by itself and makes colored sparks and flames when reacting with water?
Potassium, Rubidium and Caesium
Which metals have a sharp crackle at the end of the reaction when reacting with water?
Sodium, Potassium, Rubidium and Caesium