Answer:
+2
Explanation:
The nitrate ion is a radical with an overall charge of -1. To get the oxidation number of lead, add up all the oxidation numbers and equate to zero. Therefore the oxidation state of lead is +2.
B is correct because it doesn't depend on the movement just how the partials move at boiling point, ie it will expand but not gain motion
The right answer is D. three electrons are gained, creating N-3
Nitrogen has 5 electrons in it's valence shell and octet rule states that the valence shell must have 8 electrons. To satisfy that, Nitrogen gains 3 electrons that are negatively charged.Therefore, it gets a negative charge.
It’s c it’s a process in which plants releases water through their leaves back into the air
