Ch 3 Test

What is the maximum number of p orbitals that are possible in a given shell? Question options: A) 1 B) 3 C) 7 D) 5 E) 9

B) 3

How many valence electrons do the halogens possess? Question options: A) 2 B) 7 C) 6 D) 5 E) 1

B) 7

Place the following in order of decreasing IE1.Cs Mg Ar Question options: A) Ar > Mg > Cs B) Mg > Ar > Cs C) Cs > Mg > Ar D) Cs > Ar > Mg E) Mg > Cs > Ar

A) Ar > Mg > Cs

Which of the following statements is TRUE? Question options: A) Atoms are roughly spherical because when all of the different shaped orbitals are overlapped, they take on a spherical shape. B) All orbitals in a given atom are roughly the same size. C) Since electrons have mass, we must always consider them to have particle properties and never wavelike properties. D) We can sometimes know the exact location and speed of an electron at the same time. E) All of the above are true.

A) Atoms are roughly spherical because when all of the different shaped orbitals are overlapped, they take on a spherical shape.

No two electrons can have the same four quantum numbers is known as the Question options: A) Pauli exclusion principle. B) Hund's rule. C) Aufbau principle. D) Heisenberg uncertainty principle.

A) Pauli exclusion principle.

Semiconductors are Question options: A) metalloids. B) nonmetals. C) metals. D) noble gases.

A) metalloids

How many valence electrons do the alkali metals possess? Question options: A) 1 B) 2 C) 7 D) 6 E) 8

A) 1

What is the maximum number of s orbitals that are possible in a given shell? Question options: A) 1 B) 3 C) 7 D) 5 E) 9

A) 1

For a given atom, identify the species that has the smallest radius. Question options: A) cation B) neutral C) anion D) They are all the same size.

A) Cation

How many valence electrons do alkali earth metals possess? Question options: A) 1 B) 2 C) 7 D) 6 E) 8

B) 2

Predict the charge that an ion formed from sulfur would have. Question options: A) 6+ B) 2- C) 3- D) 1- E) 4+

B) 2-

When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as Question options: A) Pauli exclusion principle. B) Hund's rule. C) Aufbau principle. D) Heisenberg uncertainty principle.

B) Hund's rule.

Place the following in order of decreasing metallic character.P As K Question options: A) As > P > K B) K > As > P C) K > P > As D) As > K > P E) P > As > K

B) K > As > P

Only two electrons, with opposing spins, are allowed in each orbital is known as the Question options: A) Pauli exclusion principle. B) Hund's rule. C) Aufbau principle. D) Heisenberg uncertainty principle.

C) Aufbau principle

Place the following elements in order of increasing atomic radius.P Ba Cl Question options: A) Cl < Ba < P B) Ba < Cl < P C) Cl < P < Ba D) P < Cl < Ba E) Ba < P < Cl

C) Cl < P < Ba

Give the number of valence electrons for Cd. Question options: A) 6 B) 12 C) 2 D) 10 E) 8

C) 2

What is the maximum number of f orbitals that are possible in a given shell? Question options: A) 1 B) 3 C) 7 D) 5 E) 9

C) 7

Choose the statement that is TRUE. Question options: A) Outer electrons efficiently shield one another from nuclear charge. B) Core electrons are the easiest of all electrons to remove. C) Valence electrons are most difficult of all electrons to remove. D) Core electrons effectively shield outer electrons from nuclear charge. E) All of the above are true.

D) Core electrons effectively shield outer electrons from nuclear charge.

Which of the following statements is FALSE? Question options: A) Zn is a transition metal. B) Sulfur is a main group element. C) Noble gases do not usually form ions. D) The alkali metals are fairly unreactive. E) Halogens are very reactive elements.

D) The alkali metals are fairly unreactive.

Which of the following does NOT describe a metal? Question options: A) good conductor of electricity B) found on the left side of the periodic table C) good conductor of heat D) tends to gain electrons E) forms ionic compounds with nonmetals

D) tends to gain electrons

Predict the charge that a calcium ion would have. Question options: A) 1+ B) 6- C) 2- D) 2+ E) 3+

D) 2+

What is the maximum number of d orbitals that are possible in a given shell? Question options: A) 1 B) 3 C) 7 D) 5 E) 9

D) 5

Question 36 1 / 1 point Describe the reaction of the noble gases with metals. Question options: A) forms water B) dissolves C) mild reaction D) inert E) vigorous

D) Inert

Describe the reaction of the alkali metals with non-metals. Question options: A) inert B) dissolves C) mild reaction D) vigorous E) forms water

D) Vigorous

Give the number of core electrons for Cd. Question options: A) 45 B) 48 C) 44 D) 47 E) 46

E) 46

Give the ground state electron configuration for Pb. Question options: A) [Xe]6s24f145d106s26p2 B) [Xe]6s26p2 C) [Xe]6s25d106p2 D) [Xe]6s25f146d106p2 E) [Xe]6s24f145d106p2

E) [Xe]6s24f145d106p2

A cation of +2 indicates that an element has Question options: A) lost two protons. B) gained two protons. C) gained two electrons. D) lost two neutrons. E) lost two electrons.

E) lost two electrons.

Which of the following does NOT describe a nonmetal? Question options: A) tend to gain electrons B) poor conductor of electricity C) found in the upper right hand corner of the periodic table D) poor conductor of heat E) relatively unreactive

E) relatively unreactive

According to the Heisenberg Uncertainty Principle Question options: A) an electron can never appear in the exact same position twice. B) an electron has a charge of 1.602 × 10-19 C. C) s orbitals are spherical in nature. D) electrons must always absorb energy when moving to higher quantum levels. E) you cannot accurately know both the position and momentum of an electron at the same time.

E) you cannot accurately know both the position and momentum of an electron at the same time.

How many valence electrons do the noble gases possess? Question options: A) 1 B) 2 C) 7 D) 6 E) 8

E) 8

Which of the following elements is NOT a metal? Question options: A) Ga B) Ba C) Pb D) Mg E) Xe

E) Xe