Answer: none of the above
Explanation:
It should be 2,1,1,2 to give a balanced chemical reaction
False. Eyeglasses do not cover all around the eye however safety goggles do
The average kinetic energy of a collection of gas particles depends on the temperature of the gas and nothing else.
Answer:
A sample of oxygen gas occupies a volume of 250. ... volume will it occupy at 800. torr pressure? ... A 2.0 liter container of nitrogen had a pressure of 3.2 atm. ... A sample of hydrogen at 1.5 atm had its pressure decreased to 0.50 atm producing
Explanation:
I guess you could call them that. In chemistry, we call them Metalloids though.