The average atomic mass of oxygen is 16 amu.
According to the formula of average atomic mass of oxygen
= 
Answer: A. Object Q refracts red light, and object R diffracts red light.
Explanation:
The shape would be the answer if it is taking up space it's a liquid if if it stays in the area of space it's a solid
Answer:
Container A is a solution and Container B is a colloid.
Explanation:
Container A is a solution as the tyndall efffect is not present. You cannot see the light bean through the glass.
Container B is a suspension or a colloid as you can see the beam through the glass.
The first option proposes Container A is a colloid...this is not correct
The third option is not true as the tyndall effect is only displayed in container B
The fourth option is not correct the tyndall effect is not present in container A meaning it would not be a suspension or a colloid and you can see the tyndall effect in container B indicating its not a solution
Answer:
carbon monoxide (CO) or nitric oxide (NO),
Explanation:
