In the ground state, an atom of each of the elements in Group 2 has a different 1. oxidation state 2. first ionization energy 3. number of valence electrons 4. number of electrons in the first shell

Which other elements contain the same number of outer electrons as sodium

What is one way to test weather an unknown solution is acidic or basic?

Suzy's science class is studying changes in particle motion during phase changes. Suzy is asked to add a few pieces of dry ice to a flask and cover it with a balloon. After a few minutes she observed the balloon starting to inflate.

A bundle of nerve fibers

Arrange the following in order of increasing bond strength of the carbon oxygen bond: Carbon monoxide < carbonate ion < carbon dioxide carbonate ion < carbon dioxide < carbon monoxide Carbon dioxide < carbon monoxide < carbonate ion Carbon monoxide

Find an element from the halogen group and noble gases group and tell how it is used in everyday life.

Write the name of the following compound MgSO4 • H20

What volume (in mililiters) of oxygen gas is required to react with 4.03 g of my at stp

A 12.5-g marble display 5.0 mL of water. What is its density?

What is the purpose of a catalyst in the production of hydrogen?