The election configuration has of an element is 1s^2 2s^2 2p^1. How many valence electrons does the element have?

What was Ernest Rutherford's experiment? O A. He measured the electricity produced when light hit metal. B. He measured the bending of a cathode ray caused by electricity. ) C. He shot tiny alpha particles through a piece of gold foil. D.

Identify two types of nuclear reactions in which the equation E = mc2 applies.

Which household itern uses radiation in a beneficial way? conventional ovens smoke detectors electric air filters computers and TV sets

What formation is favored by the addition of heat.

How many moles of hydrogen are needed to completely react with 2 moles of nitrogen

How do the compounds that cause acid rain spread from their source?

Which element is used to "paint" the skin to prevent infection from cuts and scratches

A homogeneous mixture in which one substance is dissolved in another substance is known as a (n)

Determine the mass of 1.68*10^ 35 atoms of neon gas

What is the molar mass of Sr (OH) 2