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The nucleus of an atom of Cobalt-58 contains: 1. 27 protons and 31 neutrons 2. 27 protons and 32 neutrons 3. 59 protons and 60 neutrons 4.60 protons and 60 neutrons
asked
Aug 13, 2018
Chemistry
high-school
2
answers
5
votes
195k
views
Peter’s body supplies a force of 500 N to run up a 10-m hill in 10 s. How much power is involved in Peter’s run up the hill?
asked
Jun 20, 2018
Physics
middle-school
1
answer
5
votes
157k
views
What genre focuses on a worse-case scenario in society?
asked
Feb 16, 2018
English
high-school
2
answers
3
votes
198k
views
Write an expression for the calculation double 5 and then multiply 3
asked
Oct 22, 2017
Mathematics
middle-school
1
answer
0
votes
165k
views
True or false organisms that are capable of photosynthesis are called consumers
asked
Aug 17, 2017
Physics
middle-school
2
answers
1
vote
233k
views
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