1. The hand is with a semi opened palm and index finger pointing upward. Wrist is
turned in circular motion.
2. Your two arms are related at sides and
bent at elbows so that the forearms are
parallel to the head, palms facing
inwards.​

Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare