Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is .

A) Sr B) Be C) K D) Ra E) Na A) Sr B) Be C) K D) Ra E) Na A

Consider the following electron configurations to answer the questions that follow: (i) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P11S1S1P0 (ii) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16S1S1P0S1U1P1 S1S1P03sS1U1P12S1S1P0 (iii) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12S1S1P0S1U1P1 S1S1P03pS1U1P11S1S1P0 (iv) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12 S1S1P03pS1U1P14 S1S1P0(v) 1sS1U1P12 S1S1P02sS1U1P12 S1S1P02pS1U1P16 S1S1P03sS1U1P12 S1S1P03pS1U1P15S1S1P0 -The electron configuration belonging to the atom with the highest second ionization energy is

A) (i) B) (ii) C) (iii) D) (iv) E) (v) A) (i) B) (ii) C) (iii) D) (iv) E) (v)

Exam 7: Periodic Properties of the Elements

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Element M reacts with chlorine to form a compound with the formula MCl₂. Element M is more reactive than magnesium and has a smaller radius than barium. This element is .

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Question 1

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Which periodic table group contains only nonmetals ?

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This element is more reactive than lithium and magnesium but less reactive than potassium. This element is _ _.

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Question 3

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Sodium is much more apt to exist as a cation than is chlorine. This is because .

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Question 4

[Xe]6s²is the electron configuration for _ _ ?

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Question 5

Which one of the following is a metalloid?

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Question 6

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?

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Question 7

Consider the general valence electron configuration of ns²np⁵and the following statements: (i) Elements with this electron configuration are expected to form - 1 anions. (ii) Elements with this electron configuration are expected to have large positive electron affinities. (iii) Elements with this electron configuration are nonmetals. (iv) Elements with this electron configuration form acidic oxides. Which statements are true?

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Question 8

Which equation correctly represents the electron affinity of calcium?

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Question 9

Chlorine is much more apt to exist as an anion than is sodium. This is because .

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Question 10

Which one of the following elements has the largest atomic radius?

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Question 11

Consider the following electron configurations to answer the questions that follow: (i) 1s²2s²2p⁶3s¹ (ii) 1s²2s²2p⁶3s² (iii) 1s²2s²2p⁶3s²3p¹ (iv) 1s²2s²2p⁶3s²3p⁴(v) 1s²2s²2p⁶3s²3p⁵ -The electron configuration belonging to the atom with the highest second ionization energy is

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Question 12

Which one of the following atoms has the largest radius?

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Question 13

is isoelectronic with argon and is isoelectronic with neon.

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Question 14

What are the elements called that are located between the metals and non- metalsa ?

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Question 15

is credited with developing the concept of atomic numbers.

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Question 16

Which one of the following compounds produces a basic solution when dissolved in water?

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Question 17

All of the group VIA elements are solids except _ _ ?

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Question 18

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

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Question 19

Which one of the following has the smallest radius?

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Question 20

Showing 1 - 20 of 149

Exam 7: Periodic Properties of the Elements

Element M reacts with chlorine to form a compound with the formula MCl2. Element M is more reactive than magnesium and has a smaller radius than barium. This element is .

Which periodic table group contains only nonmetals ?

This element is more reactive than lithium and magnesium but less reactive than potassium. This element is _ _.

Sodium is much more apt to exist as a cation than is chlorine. This is because .

[Xe]6s2 is the electron configuration for _ _ ?

Which one of the following is a metalloid?

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?

Which equation correctly represents the electron affinity of calcium?

Chlorine is much more apt to exist as an anion than is sodium. This is because .

Which one of the following elements has the largest atomic radius?

Consider the following electron configurations to answer the questions that follow: (i) 1s2 2s2 2p6 3s1 (ii) 1s2 2s2 2p6 3s2 (iii) 1s2 2s2 2p6 3s2 3p1 (iv) 1s2 2s2 2p6 3s2 3p4 (v) 1s2 2s2 2p6 3s2 3p5 -The electron configuration belonging to the atom with the highest second ionization energy is

Which one of the following atoms has the largest radius?

is isoelectronic with argon and is isoelectronic with neon.

What are the elements called that are located between the metals and non- metalsa ?

is credited with developing the concept of atomic numbers.

Which one of the following compounds produces a basic solution when dissolved in water?

All of the group VIA elements are solids except _ _ ?

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

Which one of the following has the smallest radius?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

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Chemical Thermodynamics

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Chemistry of the Nonmetals

Metals and Metallurgy

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Element M reacts with chlorine to form a compound with the formula MCl₂. Element M is more reactive than magnesium and has a smaller radius than barium. This element is .

[Xe]6s²is the electron configuration for _ _ ?