Exam 5: Chemical Bonding and Nomenclature

Which of the following does not have the same number of valence electrons as the other three elements?

Which of the following exists as a diatomic molecule?

The compound HClO is called ________.

When a binary compound is composed of a metal and a non-metal it is called ________.

Which of the following has more than one double bond?

The expected formula between sodium and oxygen is ________.

The compound Ca₃(PO₄)3 is named dicalcium triphosphate.

Silicon has five valence electrons.

Which of the following compounds has a covalent bond?

Phosphorus usually forms three bonds.

Which of the following elements has the least number of valence electrons?

The nitrogen molecule has 10 total valence electrons.

Silicon in silicon dioxide has four bonds and zero non-bonded pair of electrons.

The perchlorate, phosphate and sulfate anions have the same number of hydrogen atoms.

Which of the following cations have the least positive charge?

Natural sugars are broken down into glucose in our body.

Which of the following elements has the highest number of valence electrons?

Which of the following sets is comprised exclusively of ionic binary compounds?

What is the chemical name of the compound whose formula is MgSO₄?

Lone pairs of electrons do not count when trying to figure out if an element in a formula obeys the octet rule.