Answer:
A. Repetition of their physical and chemical properties when arranged according to increased atomic number
Explanation:
A. repetition of their physical and chemical properties when arranged according to increased atomic number
F=1000kg/m/s²
F=ma
F=50×20
F=1000
Narcotics
I think ans is
Answer: B
There is an atom of one type of element and then two atoms of another type of element.
294,3
While g = 9,81 m/s^2 then:
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