Potassium has 20 neutrons
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Answer:
c
Explanation:
thw observation of water that is added
Answer:
The correct answer is option d.
Explanation:
On submission of an incorrect answer to a multiple-choice question with n options, we will lose:
of credit
If we multiple-choice question has five answer choices. And we have submitted 1 wrong answer. the fraction of credit we loose :
of credit
of credit
credit
The percentage of credit we loose:
of credits
of credits
Answer:
A
Explanation:
Anything which takes up space and has mass is considered matter.
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