Which of the following atoms has four valence electrons? (2 points) select one: a. beryllium (be) b. carbon (c) c. titanium (ti) d. potassium (k)

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?