"Stored electrical energy is converted to mechanical energy" is the one energy conversion among the choices given in the question that <span>occurs when a battery powered car rolls across the floor. The correct option among all the options that are given in the question is the second option or option "B".</span>
I think the answer is (1) Co. Because the element of Cobalt also has 2 electrons at the outer layer which is the same as Calcium. And the outer layer is an important factor which can affect the property of an element.
Answer:
does google have an answer
The noble gases don't react because they have their full orbital. They have 8 valence electrons, meaning that they are happy and stable. They dont need any more electrons, which means that they dont need to bond. That makes them un- reactive.
