General Chemistry Answers

Give the ground state electron configuration for F⁻.

A) 1s22s22p6

B) 1s22s22p5

C) 1s22s22p4

D) 1s22s22p3

E) 1s22s22p2

An anion of 2- indicates that an element has

           A) lost two electrons.

           B) lost two protons.

           C) lost two neutrons.

           D) gained two electrons.

           E) gained two protons.

) How many valence electrons do the alkali metals possess?

A) 1

B) 2

C) 7

D) 6

E) 8

) Give the complete electronic configuration for nitrogen.

A) 1s22s22py12pz2

B) 1s22s22px3

C) 1s22s22px22py1

D) 1s22s22px12py12pz1

E) 1s22s22py22pz1

What is the maximum number of f orbitals that are possible?

A) 0

B) 3

C) 7

D) 8

E) 9

) In which orbital below would an electron (on average) be farthest from the nucleus?

A)  1s                   B) 6f              C) 3s             D) 5d             E) 3p

Give the definition for effusion.

           A) gas molecules mix equally

           B) gas molecules spread out in a concentration gradient

           C) gas molecules escape from a container into a vacuum through a small hole

           D) average distance between collisions

           E) gas molecules mix unequally

Give the temperature and pressure at STP.

           A) 0 °C and 1.00 atm

           B) 0 K and 760 torr

           C) 25 °C and 760 in Hg

           D) 300 K and 1 torr Hg

           E) 0 °C and 1 mm Hg

A basketball is inflated to a pressure of 1.80 atm in a 23.0 °C garage. What is the

pressure of the basketball outside where the temperature is 51.0 °C?

           A) 1.65 atm

           B) 1.70 atm

           C) 1.90 atm

           D) 1.97 atm

           E) 1.50 atm

1. If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?