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PLZZ HELP!! An atom has atomic number 11 and mass number 23. How many electrons does the atom have? 23 22 O 12 O 11
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4 votes
PLZZ HELP!!

An atom has atomic number 11 and mass number 23. How many electrons does the atom have?
23
22
O 12
O 11

User Zohidjon Akbarov
by
5.4k points

1 Answer

3 votes

Answer:

12

Step-by-step explanation:

23-11, why?, because, the difference between atomic and mass number is the neutron number which most a times is equivalent to the electron number.

User Victor S
by
4.8k points
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