Answer:
A: 5
B: 2
C: 15
D: 8
E: O for Oxygen
Explanation:
The atomic numbers must be equal on both sides of the equation, thankfully making this a simple math problem. The nitrogen captures a proton to create Oxygen 15.
Answer:
Its called the mean of the data.
Explanation:
O.N. of Na = +1
O.N. of O = -2
Let, O.N. of Tin = x
1*2 + x + -2*2 = 0
2+x-4 = 0
x-2 = 0
x = 2
SO OPTION C IS YOUR ANSWER......
