An example of a chemical property

A sample of salt (sodium chloride) is placed on the tip of a platinum wire. When the sample is heated on blue flame the flame turned yellow. Explain how this can be done to electrons in sodium atoms

One molecule of water consists of: a. one atom of oxygen covalently bonded to two atoms of hydrogen via a shared pair of electrons. b. one atom of oxygen bound to two atoms of hydrogen via ionic bonds. c.

The lung capacity of the blue whale is 4900 L. Convert this volume into gallons

Chemical bonds are likely to form when a. two atoms have the same number of electrons. b. an atom s outer energy level doesn t have the maximum number of electrons. c. an atom s nucleus has the same number of protons as neutrons. d.

How might the idea of continental drift explain 300-million-old glacial grooves on four separate southern continents?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda