20.What do carbon and silicon have in common? a. They belong to the same column (family), therefore they have the same number of valence electrons.
b. They belong to the same column (family), therefore they have the same number of total electrons.
c. They belong to the same column (family), therefore they have the same number of energy levels.
d. They belong to the same column (family), therefore they have the same number of protons.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

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 organic molecule comprises the majority of a potato?