The maximum number is 10 electrons
Answer:
Anhydrous copper (II) sulphate is white because it has no water in it. When drops of water are added, copper (II) sulphate turns blue. This colour change can be used to detect the presence of water (or water vapour).
Answer:
Hello There!!
Explanation:
The answer is B.Year
It takes 365 days for the earth to orbit the sun. 365 days is 1 year.
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Often, the rock layers bookending the mass extinction are noticeably different in their compositions. These changes in the rocks show the effects of environmental disturbances that triggered the mass extinction and sometimes hint at the catastrophic cause of the extinction
C) It determines the concentration of an unknown substance in neutralization reactions.
