Answer:
Because molecules are to small for us people to see with the bare eye, unless you use a telescope.
Explanation:
Being in group one we know it has 1 valence electron, is highly reactive to halogens, and based on the fact it is in period 2 we know it has 2 energy levels, 1 being full. We know this because it applies to everything in group one except for the part about energy level which is based on period.
We know, dₓ α n² d₁
For n = 15 (15th Orbit)
It would be: d₁₅ = 15² * 1.06
d₁₅ = 238.5 A
In short, Your Answer would be: 238.5 A
Hope this helps!
This is an obstetrician. Also called for short OB/GYN. They are doctors that specialize in delivering babies and the female reproductive system.
Answer:
B. A object in motion stays in motion, and an object at rest stays at rest unless acted upon by a net force.