Chapter 3 Chapter 3 Review Game Review Game

QuestionsQuestions

Question #1Question #1

10 (because it has 5 orbitals, each can hold 2 electrons)

What is the maximum number of electrons the d orbital can hold?

Question #2Question #2What does the angular momentum

quantum number represent?

a) orientation of electronb) orientation of orbitalc) shape of orbitald) energy level

Answer: c

Question #3Question #3

Changing the protons changes the element/identity

Why doesn’t the number of protons change when an ion forms?

Question #4Question #4

How many atoms are in 2.5mol of vanadium? Use conversion factors and dimensional analysis!

1.5x1024 atoms V

Question #5Question #5

What is the correct symbol for an ion that has 21 electrons, 24 protons, and 25 neutrons? Use the symbol for the element! (use the format: X)

Cr+34924

AZ

Question #6Question #6Which of the following was part of Dalton’s

atomic theory that is no longer true today?

a. In chemical reactions atoms are combined, separated, and rearranged.

b. Atoms of the same element have the same properties.

c. Atoms of different elements have different properties.

d. Atoms of different elements combine in simple, whole number ratios to form compounds.

Answer: b

Question #7Question #7

How many atoms are in 32.4g of boron? Show work using dimensional analysis and conversion factors!

1.80 x 1024 atoms

Question #8Question #8

What is the full electron configuration for manganese?

1s22s22p63s23p64s23d5

Question #9Question #9

How many protons, electrons, and neutrons are in the following atom: titanium-49?

22 protons, 22 electrons, and 27 neutrons

Question #10Question #10

Which of the following is correct with respect to the masses of subatomic particles?

a. electron > protonb. neutron < protonc. electron = neutrond. proton > electron

Answer: d

Question #11Question #11

What electron configuration rule is violated in this example:

Pauli Exclusion Principle

1s

Question #12Question #12

How many orbitals does the p sublevel have? What is the shape of the p sublevel?

3 orbitals; peanut

Question #13Question #13

What model of the atom is based on the probability of finding an electron?

quantum model (electron cloud model)

Question #14Question #14What was the name of Thomson’s

model of the atom? Draw a picture of his model- include all charges and label all particles.

Plum pudding- negative electrons embedded in a positive ball

Question #15Question #15What element is represented by the

following electron configuration?[Kr] 5s24d105p4

tellurium (Te)

Question #16Question #16What is the name given to electrons

in an atom that are at low energy?

ground state

Question #17Question #17What is abbreviated orbital diagram

configuration for Zr (zirconium)?

[Kr]

5s 4d

Question #18Question #18Who determined that atoms are

mostly empty space? What finding allowed him to draw this conclusion?

Rutherford; most of the the alpha particles went straight through the gold foil

Academic Final QuestionAcademic Final QuestionWhat is the molar mass of water, H2O?

Use your answer above to find how many moles of water are in 20.g of water.

Answers: 18.02g/mol 1.1mol

Honors Final QuestionHonors Final QuestionIf you have a 32g sample of

aluminum chloride (AlCl3), how many formula units of aluminum chloride do you have?

Answer: 1.4 x 1023 formula units