Which do you think would be safer for heating a flammable liquid sample contained in an open beaker, and bunsen burner or an electric hot plate? why?

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?