Something that can not be undone. Like baking bread..cant be undone.
Answer:
answer is b
Explanation:
All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor
They certainly can. However, they have other groups that are used to classify a compound.
Answer:
Filtration
Explanation:
Metal carbonate is insoluble, it is possible to filter off the unreacted substances leaving the desired salt solution
It would be C because It will have a lower activation energy than Trial A.
