Chemistry Final Review Sheet

Which one of these is not an element symbol?

A(n) _____ system is any system of measurement based on a decimal scale.

Net ionic equation

What is the isotopic notation for an atom that has 33 protons, 42 neutrons, and 33 electrons?

What is the Lewis structure for ammonia, NH3?

What is the correct way to abbreviate milliliter?

Calculate the mass of 2.50 moles of MgSO4. (molar mass of MgSO4 = 120.38 g

Which of the following is a type of qualitative data?

What is the name for the chemical formula N2S5 • 3H2O.

When balancing a chemical equation, it is usually best to begin with the _____.

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

How many significant digits are in 4800 cm?

These elements are good conductors of heat and electricity and are usually hard, lustrous, malleable, and ductile.

Which type of formula typically takes the most time and space to draw?

In a chemical reaction, the _____ is used up before the others, preventing more products from forming.

The nucleus contains almost all of the mass in an atom.

Chemistry is the study of _____ and the changes that it undergoes.

The _____ states that it is impossible to know both the energy and the exact position of an electron at the same time.

Who were the first people to propose that matter was made of atoms?

Measure products of chemical reaction 3 times to get 1.56g,1.59g, and 1.60g. It is actually 3.62g. Your measurements are

Which state of matter exists in a lit neon sign?

What is the chemical formula for carbon disulfide?

Electron-dot notation is used to represent the _____ electrons in an atom.

The reaction TiCl4 + 4Na → Ti + 4NaCl is a _____ reaction.

Units of measurement that come from basic SI units are called _____ units.

Change 5.02 × 103 to decimal notation.

In measurement, only like units can be added or subtracted.

Which principal energy level has both s and p sublevels but no others?

It is improper to multiply two measurements that have different units.

What is the oxidation number of atoms in pure elements?

Scientists approach their work with a certain ____ , which is the perspective from which they see/interpret all of life

The amount of matter packed into a given volume determines its _____.

Scientific models may be expressed as _____ .

A compound that contains water molecules in its crystalline structure is called a(n) _____.

The type of sublevel found in all principal energy levels is the _____ sublevel.

A charged atom is called a(n) _____.

An anion composed of oxygen and one other element is called a(n) _____.

The halogens form _____ when they combine with metals and _____ when they combine with hydrogen.

How many hydrogen atoms are in the chemical formula 2H2O?

Two different isotopes of a single element would have the same number of ___ but a different number of ___.

The mass of a crystal as measured on a balance would be an example of _____ data

One mole of water contains _____ of hydrogen atoms and _____ of oxygen atoms.

In the chemical formula 10Al(C₂H₃O₂)₃, the numeral 10 is a _____ .

How many atoms of oxygen are present in 2Al2(SO4)3?

What is the angle of the bonds in a pure tetrahedral arrangement?

The disappearance of dry ice left out in a dish is an example of _____.

An orderly arrangement of ions in a three-dimensional pattern within a compound is called a(n) _____ .

If an atom loses an electron, the atom will have a ___ charge.

If the bathroom mirror fogs up while you are in the shower, _____ has occurred.

What do we call the attraction between opposite electrical charges?

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

Significant digits apply only to _____ data.

SO4–2 is an _____.

Which of the following does not represent a function of a balanced equation

Mathematically, a conversion factor is equal to zero.

The scientific method, when used properly, can lead a person to determine absolute truth.

Which of the following subatomic particles has the least mass?

An atom becomes more stable by bonding with another atom if the resulting electron configuration is more like that of

Hydrogen peroxide (H2O2) is a _____ .

The Greek prefix penta- means _____.

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

Choose the name for the chemical formula HCl (aq).

The temperature outside is 87 °F. What is the temperature in degrees Celsius?

Lithium is in group 1 of the periodic table and fluorine is in group 17. Which has the greater electronegativity

When water vapor forms dew on the grass, ___ has occurred.

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

The reaction 2AlCl3 → 2Al + 3Cl2 is a _____ reaction.

A negatively charged ion is called a(n) _____.

An idea assumed to be true without proof is

A dash in a Lewis structure represents _____ electron(s).

The measure of an atom's ability to attract electrons to itself in a chemical bond is called _____.

Copper, nickel, zinc, platinum, mercury, calcium, and potassium are all examples of _____.

The official definition of Avogadro's number is based on the number of atoms in exactly 12 g of _____.

Compounds consisting of one metal and one nonmetal are called _____.

Chemical bonds between atoms involve the rearrangement of _____ to maximize stability.

The reaction 4Fe + 3O2 → 2Fe2O3 is a _____ reaction.

Neil Bohr proposed concept of principle energy levels, he envisioned a set of circular tracks on which _____ orbited

Matter is anything that takes up space and has mass.

Choose the correctly balanced equation from a list.

What type of bond forms as a result of orbitals overlapping end to end?

This element consists of 21% of earths atmosphere and is abundant in earths crust. Essential for all humans and animals

Mendeleev's periodic table arranged elements by _____ .

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

The symbol → in an equation means _____.

A Christian chemist who believes the Bible has a worldview that affects his work.

The reaction 2NaCl + H2SO4 → Na2SO4 + 2HCl is a _____ reaction.

A theory explains scientific observations.

What type of bond would you expect to form between nitrogen and potassium?

Perform the following operation, observing significant digits: 7.491 m + 60.2 m + 1.00224 m.

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

If the atoms below formed a covalent compound, which is most likely to be the central atom?

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

All _____ digits are considered significant in a measurement.

If an atom has a full s and a full p sublevel in its first energy level, how many electrons does it have?

A naturalistic worldview teaches that matter is all that exists.

The measurement 0.005 006 10 m has how many significant digits?

What is the only metal that is a liquid at room temperature?

All of matter can be divided into two categories, pure substances and _____.