What does the atomic number of an element specify? what does the atomic number of an element specify?

Which of the following is not a chemical property of a substance? - turns green when dissolved in water - produces white flame when exposed to oxygen - gives off brown fumes when treated with nitric acid - conducts electricity - reacts with chlorine

In 100 grams of sweet peas there are 14.5 carbohydrates, 5.7 grams of sugars, 5.1 grams of dietary fiber, 5.4 grams of protein and 0.4 grams of fat what is the percent composition of each?

Which descriptions apply to emitted radiation? Check all that apply. measurement in Ci/Bq measurement in conventional rad or the SI Gy the amount of radioactive materials released into the environment.

Who was the first scientist to measure speed as distance over time?

Absolute zero is? A. the lowest possible volume occupied by a gas. B. the lowest possible temperature of a gas. C. the lowest possible pressure exerted by a gas. D. none of the above.

What is the most likely effect of air temperature differences between San Francisco, California and Norfolk, Virginia

How much heat is absorbed when 447 g of water, Cp = 4.184 J/goC, goes from 25.0 oC to 35.0 oC?

Which group is more reactive than the alkaline earth metals?

What is the process by which cells withdraw energy from glucose called?

The alkline earth metals include?