Potassium decays by beta decay part of the nuclear equation is shown below. fill in the blank with a number
42 19 k --> 0 -1 e+ 42 ? ca

Which substances have the lowest melting points: ionic covalent, or metallic

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?