I would think that b would be the right answer
Answer:
Yes
Explanation:
Thermal radiation is emitted by any surface having a temperature higher than absolute zero. So the short answer to your question is yes. Light (electromagnetic radiation) of any frequency will heat surfaces that absorb it.
I hope it helps.
Answer:
3 moles of hydrogen, , are needed to react completely with 1 moles of nitrogen,
Explanation:
Let us consider the Reaction of Nitrogen and hydrogen
Two nitrogen atom reacts with 3 hydrogen atom to form ammonia. So it is clear from the chemical equation that 3 moles of hydrogen atom is essential to react completely with nitrogen.
Also when we see the atomic structure of hydrogen and nitrogen ,Hydrogen has only one electron its shell and nitrogen has 5 electron in its valency shell. so for an Nitrogen to have a completely filled shell, it needs 3 more electrons .Thus is need 3 hydrogen atom
No. Because compounds need negative ions. e.g bromide, sulphate. So Sodium Magnesium isn’t a real compound and cannot be formed into a negative ion.