Answer: Option (B) is the correct answer.
Explanation:
Metals are the substances that have more number of electrons. Metals are good conductors of heat and electricity.
For example, iron, copper, zinc are all metals and good conductors of heat and electricity.
Whereas wood and foam are is a poor conductor of heat and electricity.
Thus, we can conclude that out of the given options copper and iron are good conductors of heat.
Explanation:
There are ten d electrons in the outermost d subshell for Zn2+.
Answer:
stored and active
Explanation:
both cannot be thransformed into another type of energy
Answer:7,070.74
Explanation:because frequency has a lot of energy
