A circuit breaker must be replaced after too much current flowing through it causing it to melt.
Answer:
The first one is 425g of copper
Explanation:
Elements that exceed the octet rule must have an unoccupied d orbital. I believe.
Four molecules have carbon as the central atom and hydrogen atoms around it. The shape that would give rise to a polar molecule is a bent shape. <span>The bent shape will not be symmetrical which will result to being polar. Hope this answers the question.</span>
