Midyear Review

How many protons, electrons, and neutrons does an atom with the atomic # 50 and mass #125 have?

Which electron configuration of the 4f energy sublevel is the most stable?

How many valence electrons are in a silicon atom?

What is the maximum number of d orbitals in a principal energy level?

What is the ion formed when phosphorus achieves a noble gas electron configuration?

Which of the following categories includes the majority of the elements?

What is the formula of the ion formed when potassium achieves noble gas electron configuration?

How many moles of oxygen react with 2.4 moles of iron in the rusting reaction?

Which is a typical characteristic of an ionic compound?

What is the net charge of the ionic compound calcium fluoride?

What is the formula unit of aluminum oxide?

How many unpaired electrons are in a sulfur atom?

What does the number 84 in the name krypton-84 represent?

How many valence electrons are transferred from the nitrogen atom to potassium atom in K₃N?

How is the number of neutrons in the nucleus of an atom calculated?

Emission of light from an atoms occurs when an electron...

What would be the net ionic equation for the following reaction? NiSO₄ (aq) + Na₂CO₃ (aq) → NiCO₃ (s) + Na₂SO₄ (aq) 

Which subatomic particle plays the greatest part in determining the properties of an element? 

How many significant figures are in 0.0306 cm?

Which element when combined with fluorine would most likely form an ionic compound?

VSEPR theory says that molecular shapes keep which of the following as far apart as possible?

What SI unit is used to measure the number of representative particles in a substance?

What is the correct name for the N^3- ion?

Isotopes of the same element have different.....

What is the formula unit of sodium nitride?

Sigma bonds are formed from the overlapping of which type(s) of atomic orbitals? 

What is thought to cause the dispersion forces?

A molecule with a single covalent bond is _____.

What is the maximum number of orbitals in the p sublevel?

What is the charge of a strontium ion?

Which of the following is the correct name for N₂O₅?

How many energy sublevels are in the second principal energy level?

The separation of a mixture by boiling points is called...

Which of the following is a representative element?

Which of the following bonds is most polar?

In a chemical reaction, the mass of the products...

The following is what type of reaction?

According to the aufbau principal...

Which of the following occurs in an ionic bond?

Which set of chemical name and chemical formula for the same compound is correct?

Which of the following is in the same period as phosphorus?

What is the electron configuration of the gallium ion?

What are the missing coefficients for the skeleton equation below?

Which of the following represents a molecular compound?

The complete combustion of which of the following substances produces carbon dioxide and water?