5.1.2.4 group 0 Flashcards
What are the group 0 elements referred to as?
The noble gases
What are the group 0 elements?
They are unreactive and do not easily form molecules because their atoms have stable arrangements of electrons
The noble gases have _____ electrons in their outer shell, except for _______, which has only two electrons.
Eight, helium.
The boiling points of the noble gases increase with increasing relative atomic mass ( _____ _____ ___ ______)
Going down the group .
What are the uses of helium?
To make floating balloons
What is the use for neon?
Making illuminating lights
What is argon used for?
Light bulbs, carrier gas in gas chromatography
What is krypton used for?
High efficiency miner’s cap lamps
What is radon used for?
Radioactive research
How many electrons do noble gases contain in their outer shells
They have eight electrons in their outer shell, except for helium, which has only two electrons.
Are the elements in group 1 reactive?
They are unreactive and do not easily form molecules because their atoms have stable arrangements of electrons.
What happens with the boiling points when going down in group 0
The boiling pints increase with increasing relative atomic mass