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2 votes
Consider the nuclear equation below.

22 22 0
Na --------> Ne + B
11 10 ?

Which is the missing value that will balance the equation?

a. –1
b. 0
c. +1
d. +2

User Hilsenrat
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5.5k points

2 Answers

5 votes
It’s “c. +1” because the Sodium is losing a proton, which has a positive chage
User Dmitry Guselnikov
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6.3k points
3 votes

Answer: The correct answer is Option c.

Step-by-step explanation:

The equation for the given chemical reaction is:


_(11)^(22)\textrm{Na}\rightarrow _(10)^(22)\textrm{Ne}+_(?)^(0)\beta

To know the missing term on the product side, total atomic number and mass number remains the same on both the sides.

Equating the terms of atomic number from both the sides, we get:


11=10+x\\x=+1

This decay is called as positron decay in which a proton gets converted to neutron and an electron neutrino and thus releases positron particles. This particle carries a charge of +1 units.

Hence, the correct answer is Option c.

User Dimitar Dimitrov
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6.2k points