Mathematics
Grade-7
Easy
Question
An electron represents a negative charge, write an integer to represent 3 electrons.
An electron represents a negative charge, write an integer to represent 3 electrons.
- 3
- -3
- 0
- 2
Hint:
If x is an electron, it can be represented as -x.
The correct answer is: -3
Given that an electron represents a negative charge. So, three electrons represents thrice the negative charge.
So, it can be represented as -3, since it posses a negative charge.
Hence, the correct answer is option b.
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