Why does a sodium street lamp give off a different color light then a neon light

What is the primary cause of emotional and physical changes during adolescence

Chemical x has a mass of 5 grams, and chemical Y has a mass of 10 grams. If the two chemicals are mixed and a complete chemical reaction takes place, what is most likely the mass of this product?

Making observations is the first step in the scientific method. Why don't scientists stop with the first step when creating an experiment? A.

Describe how food is digested and absorbed

High-pressure areas or belts are caused by air which is: rising and heated sinking and heated rising and cooled sinking and cooled

Which statements describe the principles of the Big Bang theory

Is ice cream a mechanical mixture or solution why?

Which term is used to describe the attraction that an oxygen atom has for the electrons in a chemical bond?

Suppose you wanted to dissolve 109 g of sodium carbonate in enough water to make 6.00 L of solution. What is the molarity of this solution?

0.0055 in scientific notation