Question

Help me answer the following.
1)What are poly atomic ions?
2)state which of the following is possible with examples:
a)An object with constant acceleration but zero gravity
b)an object moving in a certain direction with an acceleration in the => =>perpendicular direction
3) What is nomenclature

Answer 1

1) A poly atomic ion is a charged chemical species composed of two or more atoms.

2) Answer here is b) This is a statement of centripetal force .
For example : rotating a ball tied to a thread.

3) Nomenclature refers to naming of things.

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