For acidic solutions, which element is added to balance half-reactions?
a.
hydrogen
b.
hydroxide
c.
oxygen
d.
nitrogen

What is the temperature of one mole of helium gas at stp?

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.

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays