1. Which one of the following is not a step used for balancing chemical equations? A. Always change subscripts to balance an equ
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Answer:
Explanation:
The unbalanced nuclear equation is
Let's write the question mark as a nuclear symbol.
The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.
Then
15 = 0 + A, so A = 15 - 0 = 15, and
6 = -1 + Z, so Z = 6 + 1 = 7
Then, your nuclear equation becomes
Element 7 is nitrogen, so the balanced nuclear equation is
Explanation:
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