For most atoms, an octet is preferred because having 8 valence electrons mimics the stable electron configurations of noble gas elements.

Match the elemental symbol with the corresponding name.

Which of the following elements is not a diatomic molecule?

Referring to the periodic table below, calculate the formula mass for potassium permanganate, KMnO4{“version”:”1.1″,”math”:”KMnO4″} .

Match the elemental symbol with its corresponding name.

Which of the following are considered strong acids?

Examine the balanced chemical equation below: If 3 moles of chlorine react with excess amount of methane, how many moles of carbon tetrachloride will be produced?

Use the periodic table and the numerical constant below to help answer the following question.  Avogadro’s number = 6.022 x 1023particles/mole A can of Coca-Cola contains 45 milligrams of sodium. Which of the following answers show the correct number of moles and correct number of atoms present in this mass of sodium? 

Consider the generic periodic table shown below to answer the question. Which chemical group is the element marked with an asterisk most likely from?

Refer to the image below to answer the question. Which on the following is an accurate description of the three waves depicted?