Chemistry Final Exam Review

Which nonmetallic element is referred to as brimstone in the Bible and exists in a variety of forms?

Convert 342 mm to decimeters.

Which of the following is the correct value for Avogadro's number?

In general, where are the nonmetals located on the periodic table?

If you were to freeze neon, a noble gas, it would form _______ crystals.

Why do elements in the same family have similar physical and chemical properties?

Which of the following compounds is polar?

The SI base unit for temperature is the _____.

Which of the following statements about evaporation is not true?

The measure of the dispersal of energy in a system is known as _______.

What is the correct way to abbreviate milliliter?

A log burns, which creates heat that evaporates water in a kettle. This is an example of ...

Which of these is not a covalent molecule?

A(n) ___ formula tells you what elements are present and gives the simplest whole-number ratio of atoms in the compound.

The total electron capacity of the third principal energy level is ______.

All scientists approach their work with a ______, which is the perspective from which they see nd interpret all of life.

A charged atom is called a(n) __________.

Cs is in the lower left section of the periodic table, and He is in the upper right. Which has the larger atomic radius?

IN the equation PV = nRT, n represents the number of _______ of gas(es) in a sample.

Scientific models may be expressed as ...

An element's atomic mass, expressed in atomic mass units on the periodic table, is equal to its _________ mass.

What is the large group of elements that have their highest energy electrons in interior d sublevels?

The freezing point of nitrogen is -210 C. What is the temperature in kelvins?

Who is credited with the discovery of the neutron?

The smaller the percent error of a measurement is, the more ____ the measurement is.

Lithium is in Group 1 and fluorine is in Group 17. Which has the greater electronegativity.

Dry ice has a temperature of 196 K. What is the temperature of dry ice on the Celsius scale?

Hydrogen peroxide (H₂O₂) is a ...

Bohr proposed the concept of principal energy levels that he envisioned as a set of circular tracks on which __ orbited.

The human eye can detect wavelengths of light as short as 0.000037 cm. What is this wavelength in nanometers?

What is the oxidation number of P in Ca₃P₂?

Which sublevel holds the greatest amount of electrons?

A course in chemistry can benefit you even if you do not foresee a career in that field of study. What type of reasoning

A chemist wants to measure the mass of a lump of coal. What SI base unit will he use?

The formation of a meniscus is the result of _________.

Which of these is a network covalent substance?

Helium, neon, argon, krypton, xenon, and radon are all _____.

The lanthanide and actinide series together compose what grouping on the periodic table?

Cathy is the mother of Andy and the sister of Greg; therefore, Greg is Andy's uncle. What reasoning is this?

Where can you find the information needed to change grams of a substance to moles?

How does the size of a metal atom compare to its ion?

What is the ratio of Fe₂O₃ to CO₂ in the following reaction? Fe₂O₃ + 3CO → 2Fe + 3CO₂

Boron, silicon, arsenic, germanium, antimony, tellurium, and astatine are all examples of ______.

Which type of property is present when lead melts in a hot flame?

The compound NH₃ demonstrates which kind of intermolecular forces?

Which type of property is present when sulfur mixed with an acid produces a gas?

Who arranged a number of the elements in triads on the basis of similar properties?

Which property measures the attraction of bonded atoms to electrons?

Given that the molar mass of Na is 22.99 g and that of Cl is 35.45 g, what is the molar mass of NaCl?

Which of these pairs of words describe changes between the same two states of matter, but different directions?

Aluminum and chlorine react to form _______.

Which of the following elements is the most reactive as well as the most electronegative?

Predict the type of intermolecular force between molecules of OCl₂.

What term means that the physical universe was created out of nothing by God?

Oxygen (O₂) is a ...

Physical, descriptive, or mathematical representations that characterize a system or explain a phenomenon are called ...

Which form of matter best describes dust?

Melting occurs when a ...

Predict the shape of the molecule PH₃

The sum of the number of neutrons and the number of protons is known as the _____.

What prefix means "billionth"?

Given the following numbers: 4.12, 3.25, 4.79. The actual value should have been 2.25. These three values are ...

According to the VSEPR theory, two-atom molecules are ______ linear.

What was the primary event that propelled the US into World War II?

Which of the following is a nonpolar covalent compound?

The ________ represent the number of moles of each substance in a reaction.

Which sublevel has three orbitals?

If the bathroom mirror fogs up while you are in the shower, ________ has occured.

Which of these states of matter displays the greatest amount of kinetic energy?

Which of the following are covalent compounds?

Which element is most likely to serve as the central atom and hold fewer than 8 valence electrons in its bonded state?