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Byju's Answer
Standard XII
Chemistry
Ionic Bond
3. Do we writ...
Question
3. Do we write valency with any negative or positive signs?
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Q.
Do we have to include the signs (positive or negative)of the charges while solving problems?
Q.
Sir what must we to do if the ask write down the beta decay process of an nuclei.....
We must write beta positive or negative decay
Q.
Subtracting two positive/negative integers with same sign or opposite sign is same as:
Q.
State true or false.
(i) The product of a negative and a positive integer may be zero.
(ii) The product of two negative integers is always positive.
(iii) The product of two integers with opposite signs is the same as the product of their absolute values.
(iv) If exactly one of the three given integers is negative, then product is always negative.
(v) The product of any two positive or any two negative integers is always smaller than the integers.
Q.
Zero is a positive integer since it doesn't carry any negative sign.
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