Ihave very good ability to conduct electricity. i am never found alorie in nature. when i combine with other elements, i usually give up my one valence electron. i am the only element in my group with a one-letter symbol.

Potassium

Explanation:

The description here fits potassium. Potassium is not found alone in nature as it is very reactive. Hence, it tends to occur in relation with other elements because of its high reactivity.

Because it is stated that it gives up its single valence electron, this shows that it belongs to group one of the periodic table. We might be tempted to think hydrogen is the correct answer. But it is interesting to note that hydrogen is not even supposed to be placed in group one at all. It is only placed there for convenience

43.452

step-by-step explanation:

284 times .153 = 43.452