Answer:
I think its b
Explanation:
but I wouldn't depend on this answer
The kinda of energy the involves the flow of positive charge is Electrical
Answer: 43.125g
Explanation:4Na+ O2=2Na2O
Molar mass: 23. 32. 62. React.mass: 92.
Shielding effect being attendency of the inner electrons to repel the outermost electrons, an increase in shielding effect increases atomic radius and decrease reduces the atomic radius
