Elements present in group 18 are known as noble gases. The outermost shell of these elements are completely filled.
18 is the answer
Answer:
upward (F=ma if f is up a is up)
Says here the answer is <span>dipole-dipole</span>
Answer:
Element Atomic Number Atomic Mass
Nickel 27 58.6934
Cobalt 28 58.9332
Copper 29 63.546
Zinc 30 65.39
Explanation: