MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which particles are isotopes of each other?

a.  and

b.  and

c.  and

d.  and

 

Correct Answer: a

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

How many protons does Be have?

            a.  two

            b.  four

            c.  five

            d.  nine

 

Correct Answer:  b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question.

 

Which of these elements has physical and chemical properties most similar to silicon (Si)?

a.  germanium (Ge)

b.  silver (Ag)

c.  phosphorus (P)

d.  chlorine (Cl)

 

Correct Answer: a

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question:

 

The number of neutrons in Antimony 122 is?

a.  51

b.  71

c.  94

d.  122

e.  172

 

Correct Answer: b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

What is the total number of protons in the nucleus of an atom of potassium-42?

a.  15

b.  19

c.  39

d.  42

 

Correct Answer: b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

As a Ca atom undergoes oxidation to Ca2+, the number of neutrons in its nucleus:

a.  decreases

b.  increases

c.  remains the same

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

An atom of carbon-12 and an atom of carbon-14 differ in:

a.  atomic number

b.  atomic mass

c.  nuclear charge

d.  number of electrons

 

Correct Answer: b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

All the isotopes of a given atom have:

a.  the same atomic mass and the same atomic number

b.  the same atomic mass but different atomic numbers

c.  different atomic mass but the same atomic number

d.  different atomic mass and different atomic numbers

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which pair of nuclear symbols illustrates different isotopes of the same element?

 

a.   90              90

            Sr              Sr

      38              38

 

b.   38              38

            Sr              Sr

      90              90

 

c.   36              36

      Sr              Sr

      90              90

 

d.   90              92

            Sr              Sr

      38              38

 

e.   90              90

            Sr              Sr

      38              38

 

Correct Answer: d

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

The nucleus of which atom contains 48 neutrons?

a. 

b. 

c. 

d. 

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Isotopes are atoms that have the same number of protons but a different

a.  number of electrons

b.  number of neutrons

c.  atomic number

d.  nuclear charge

 

Correct Answer: b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

What is the structure of a krypton-85 atom?

a.  49 electrons, 49 protons, 85 neutrons

b.  49 electrons, 49 protons, 49 neutrons

c.  36 electrons, 36 protons, 85 neutrons

d.  36 electrons, 36 protons, 49 neutrons

 

Correct Answer: d

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

An atom of fluorine has an atomic mass of 19. The total number of protons and neutrons in its nucleus is

a.  9

b.  10

c.  19

d.  28

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

The number of neutrons in the nucleus of an atom can be determined by

a.  adding the atomic number to the atomic mass

b.  subtracting the atomic number from the atomic mass

c.  adding the atomic mass to the atomic mass

d.  subtracting the atomic mass from the atomic number

 

Correct Answer: b

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Atoms of the same element that have different numbers of neutrons are classified as:

a.  charged atoms

b.  charged nuclei

c.  isomers

d.  isotopes

 

Correct Answer: d

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question.

 

Which element would you expect to have chemical properties similar to calcium (Ca)?

            a.  strontium, Sr

            b.  potassium, K

            c.  rubidium, Rb

            d.  sodium, Na

 

Correct Answer: a

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question.

 

Which element would you expect to have chemical properties similar to arsenic (As)?

            a.  germanium, Ge

            b.  selenium, Se

            c.  antimony, Sb

            d.  krypton, KR

 

Correct Answer:  c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which element is classified as a noble gas at STP?

a.  hydrogen

b.  oxygen

c.  neon

d.  nitrogen

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which two elements have chemical properties that are most similar?

a.  Cl and Ar

b.  Li and Na

c.  K and Ca

d.  C and N

 

Correct Answer:  b

 

 

 

 

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question.

 

Lithium, sodium, potassium, and rubidium are all members of the

            a.  alkali metals

            b.  lanthanides

            c.  halogens

 

Correct Answer:  a

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Use your periodic table to answer this question.

 

Which of the following elements would you expect to be an unreactive gas?

            a.  phosphorus, P

            b.  calcium, Ca

            c.  argon, Ar

            d.  carbon, C

 

Correct Answer:  c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which of the following elements has the strongest attraction for electrons?

a.  boron

b.  aluminum

c.  oxygen

d.  sulfur

 

Correct Answer:  c

 

 

 

 

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

Which of the following elements would you expect to have similar reactive properties to magnesium?

a.  iron

b.  nickel

c.  strontium

d.  cadmium

e.  zirconium

 

Correct Answer: c

 

MC

Chemistry

Standard: 01

Objective: 03. Correlate an elementÍs structure, properties, and position on the periodic table.

ILO:

 

 

As the elements in Group 17 are considered in order of increasing atomic number, the chemical reactivity of each successive element:

a.  decreases

b.  increases

c.  remains the same

 

Correct Answer: a