Answer:
(2) never to be so irresponsible again
Explanation: hope this help!
Hydrogen and helium because they only have one electron shell and it only holds up to two electrons in it.
Answer:
By filtration
Explanation:
In the container, pour water and shake the mixture very well.
Pour the mixture in a clean container thro<u>ugh</u> a <em><u>filt</u></em><em><u>er</u></em><em><u> </u></em><em><u>tunnel</u></em> and steel with be the residue and aluminium will be in water.
Add dilute Ammonia solution to the filtrate to precipitate it and burn until aluminium solid is obtained.
D) reacts with oxygen
All other are physical properties.