Question

plz solve this all questions​

Answer 1

Answer:

You should answer these yourself...best of luck

Answer 2

1. FAMILY:Afamily is a group cinsisting of two parents with there children's.
2. PERIOD: Aperiod is interval of time or interval between successive occurrences of the same state in an oscillator or cyclic phenomenon.
3. a) Magnesium,:mg b) pottasium:k c)Iron:Fe d)Copper:cu
4. c: no name ,cl:chlorine, au:aluminum, sr: strontium