Answer:
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Answer:
40%
Step-by-step explanation:
1299-725= 574
574/1299 x 100 = 44.19%
Answer:
A : 25
Step-by-step explanation:
In a neutral atom, the number of electrons is equal to the number of protons. The atomic number indicates the number of protons.
The mass number is the sum of the number of neutrons and the number of protons.
mass number=protons+neutrons
As we know from the atomic number, the number of neutrons is 14 and the number of electrons is 11.
mass number = 14 + 11
Answer:
Since 7 and 11 are both rational the sum and the difference are rational .
Step-by-step explanation:
Answer:
The other person is correct, my bad I got mixed up with the numbers
