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Chemistry 1 > Unit 5 Exam > Flashcards

Unit 5 Exam Flashcards

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1
Q 
Which of the following groupings contains only representative elements:
     A) Cu, Co, Cd
     B) Al, Mg, Li
     C) Fe, Na, Pb
     D) Ne, Kr, Ti
A

B) Al, Mg, Li

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2
Q

What is true about the electron configurations of the representative elements?:
A) s and p sublevels filled or filling
B) s, p, and d sublevels filling
C) s, p, d and f sublevels filling
D) Filled d sublevel

A

A) s and p sublevels filled or filling

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3
Q

The metals in Groups 1A, 2A, and 3A _____ electrons when forming ions:

A

lose

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4
Q 
Which of the following elements has the smallest radius:
     •Na
     •Rb
     •Al
     •F
A

F

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5
Q

How does the size of an ion compare to the atom it came from?:

A

Anions are larger than their neutral atom

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6
Q

The modern periodic table is arranged according to ___________:

A

Atomic number & groups having similar chemical properties

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7
Q

In which of the following groups of ions are the charges all shown correctly:
A) Li^1-, O^2-, S^2+
B) Ca^2+, Al^3+, Br^1-
C) K^1+, P^3-, F^1+

A

B) Ca^2+, Al^3+, Br^1-

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8
Q 
Which of the following elements is a nonmetal:
     •Fe
     •Ga
     •C
     •Hg
A

C

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9
Q

What is another name for the transition metals?:

A

Group B elements

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10
Q 
Which of the following elements is a transition metal?:
     •Copper
     •Cesium
     •Iodine
     •Aluminium
A

Copper

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11
Q

What is the factor that contributes to the increase in ionization energy from left to right across a period?:

A

Increase in nuclear charge

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12
Q

To what category of elements does an element belong if it is a poor conductor of electricity?:

A

nonmetal

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13
Q

What is the charge of a cation?:

A

positive

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14
Q 
Which of these elements has the lowest electronegativity value?:
     • Al
     • Mg
     • K
     • Cs
A

Cs

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15
Q

What element in the second period has the largest atomic radius?:

A

Li

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16
Q 
Which of the following elements is in the same period as phosphorus?:
     • Nitrogen 
     • Antimony
     • Krypton
     • Argon
A

Argon

17
Q

Who arranged the elements according to atomic mass, and used the arrangement to predict the properties of missing elements?:

A

Mendeleev

18
Q

For Group 2A metals, which electron is the most difficult to remove?:

A

The third

19
Q

What is the element with the highest electronegativity value?:

A

Fluorine

20
Q

Which subatomic particle plays the greatest part in determining the properties of an element?:

A

electron

21
Q 
Of the following, which one has the smallest first ionization energy:
     •Pb
     •Ge
     •Se
     •Br
A

Pb

22
Q

In which of the following sets are the charges given correctly for all the ions:
A) Na^1+, Mg^1+, Al^1+
B) K^1+, Sr^2+, O^2-
C) B^3+, O^2-, Kr^2+

A

B) K^1+, Sr^2+, O^2-

23
Q 
Which of the following elements has the smallest ionic radius:
     • Na
     • Mg
     • K
     • Ca
A

Mg

24
Q

How does atomic radius change from left to right across a period in the periodic table?:

A

it decreases

25
Q

How does atomic radius change from top to bottom in a group in the periodic table?:

A

it increases

26
Q

As you move from left to right across the second period of the periodic table, ionization energy ______:

A

increases

27
Q 
Which of the following is a representative element:
     • Fe
     • Mn
     • Mg
     • Ag
A

Mg

28
Q

Cations form when an atom _____ electrons:

A

loses

29
Q

What is the energy required to remove an electron from an atom in the gaseous state called?:

A

ionization energy

30
Q 
Which of the following decreases with increasing atomic number in Group 2A:
     • ionization energy
     • atomic size
     • ionic size
     • number of protons
A

ionization energy

31
Q

What is another name for the representative elements?:

A

Group A elements

32
Q

Each period in the periodic table corresponds to ______:

A

a horizontal row of elements

33
Q 
Which of the following elements has the smallest first ionization energy:
     • Si
     • Ge
     • P
     • As
A

Ge

34
Q

How many electrons does the ion Ca^2+ contain?:

A

18

35
Q

How many electrons are there in the highest occupied energy level of atoms in Group 5A elements?:

A

5

36
Q

How many electrons are present in the d sublevel of a neutral atom of copper?:

A

10

37
Q

How many electrons are in a rubidium ion, Rb^1+?:

A

36

38
Q

What is the usual charge on an ion from Group 7A?:

A

1-

Chemistry 1 (14 decks)

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