The correct response I believe is A. Isomer. If a carbon molecule possess more than one arrangement of how its atoms can be arranged, those other arrangements are known as isomers.
So potassium is more reactive than lithium because the outer electron of a potassium atom is further from its nucleus than the outer electron of a lithium atom. Hope this answers the question. Have a nice day. Feel free to ask more questions.
Synthetic rubber also has shortcomings, the main drawback exists in its tensile effect is relatively poor, tear strength and mechanical properties are relatively poor
The answer & explanation for this question is given in the attachment below.
Answer:
germanium (Ge)
Explanation:
both belong to the same group
