FINAL EXAM REVIEW PART 1

Front

What is the correct way to fill an electron orbital diagram for Carbon?

Back

Each orbital must have one electron before any pairing occurs.

Front

What is the first step in any emergency procedure in a classroom?

Back

Tell the teacher.

Front

Which subatomic particle orbits the nucleus of an atom?

Back

Electrons.

Front

What happens to atomic radii as you move down a group in the periodic table?

Back

The atomic radius increases because the atom has more energy levels.

Front

Why can leaving a bicycle in the sun cause a blowout?

Back

The increasing temperature causes the pressure of the tire to increase.

Front

What is the definition of atomic radius?

Back

The distance from the nucleus of an atom to the outermost shell of electrons.

Front

What is the significance of the Pauli Exclusion Principle in electron configuration?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the mass of the atom and stabilize the nucleus.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.