Exam 5: Chemical Bonding and Nomenclature

Identify the most electronegative element.

The phosphate anion has ________ valence electrons.

The number of valence electrons in aluminum is ________.

Draw the dot structures for the atomic or molecular species shown. Be sure to include all relevant resonance structures. -NI ₃

Water, H₂O and hydrogen peroxide, H₂O₂, have identical properties.

Consider a bond A-B. If the difference in electronegativity is 0.0, the bond is considered ________.

Only helium among the Group VIIIA elements has two valence electrons.

The number of valence electrons in neon is ________.

The expected formula between calcium and oxygen is ________.

A single bond is always represented by two electrons.

The compound P₂O₅ is named diphosphorus pentaoxide.

The expected formula between potassium and sulfur is ________.

The compound CS₂ is named carbon disulfide.

The expected formula between hydrogen and nitrogen is ________.

Which of the following is considered an elemental substance?

Carbon monoxide is the only compound that forms between carbon and oxygen.

Magnesium in magnesium chloride has two bonds and two non-bonded pair of electrons.

Water has ________ covalent bonds and ________ lone pairs.

Which anion does not have -3 charge?

The expected binary compound between magnesium and bromine is ________.