Which of the following is the correct chemical formula for Na and S?

Na2S

NaS2

NaS

Students are measuring the length of time it takes for soda to go flat at three different temperatures. Which type of graph should the students use to display their data?

Is tap water a mixture or a pure substance

If you could take 1 step every second and one step is equal to 3 feel how many miles could you walk in a year of 365 days if you never stopped even to sleep chemistry test

Ample and h is the half-life, in days, of the substance. a sample contains 18% of its original amount of radon-222. the half-life of radon-222 is about 3.8 days. which is the best estimate for the age of the sample?

A reactant decomposes with a half-life of 129 129 s when its initial concentration is 0.131 0.131 M. When the initial concentration is 0.527 0.527 M, this same reactant decomposes with the same half-life of 129 129 s.

What is the correct orbital diagram for carbon

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What are the properties of metal, nonmetal, and mellaloids

The big bang is through to have started by an?

What is the word equation for KNO3 = KNO2 + O2