(a) Interpretation: The symbol of element in group 14 that has the smallest atom should be given. Concept introduction: Atomic size increases from top to bottom in a group.

Question

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Answer 1

Question

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

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Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of 19.9% and 80.1%, respectively. (a) In what ways do the two isotopes differ from each other? Does the electronic configuration of 10B differ from that of 11B? (b) Draw the orbital diagram for an atom of 11B. Which electrons are the valence electrons? (c) Indicate three ways in which the 1s electrons in boron differ from its 2s electrons. (d) Elemental boron reacts with fluorine to form BF3, a gas. Write a balanced chemical equation for the reaction of solid boron with fluorine gas. (e) ΔHf° for BF3(g) is -1135.6 kj/mol. Calculate the standard enthalpy change in the reaction of boron with fluorine. (f) Will the mass percentage of F be the same in 10BF3 and 11BF3? If not, why is that the case?

Boron, atomic number 5, occurs naturally as two isotopes, 10B and 11B, with natural abundances of 19.9% and 80.1%, respectively.(a) In what ways do the two isotopes differ from each other? Does the electronic configuration of 10B differ from that of 11B? (b) Drawthe orbital diagram for an atom of 11B. Which electrons are the valence electrons? (c) Indicate three ways in which the 1s electrons inboron differ from its 2s electrons. (d) Elemental boron reacts with fluorine to form BF3, a gas. Write a balanced chemical equation forthe reaction of solid boron with fluorine gas. (e) ΔHf° for BF31g2 is -1135.6 kJ>mol. Calculate the standard enthalpy change in thereaction of boron with fluorine. (f) Will the mass percentage of F be the same in 10BF3 and 11BF3? If not, why is that the case?

(a) Identify the number of electrons in the ground-state outer shell of atomic oxygen (atomic number 8).(b) How many electrons are in the ground-state outer shell of fluorine?

Answer 2

Question

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

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Answer 3

Question

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

Answer 6

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Answer 7

Chapter 9, Problem 86SAE

Interpretation Introduction

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 9 - Prob. 1E Ch. 9 - Suppose that lanthanum (Z = 57) were a newly...Ch. 9 - The following densities, in grams per cubic...Ch. 9 - The blowing melting points are in degrees Celsius....Ch. 9 - Mendeleev's periodic table did not preclude the...Ch. 9 - Prob. 6E Ch. 9 - Prob. 7E Ch. 9 - Concerning the incomplete seventh period of the...Ch. 9 - For each of the following pairs, indicate the atom...Ch. 9 - Indicate the smallest and the largest species...

(a) Interpretation: The symbol of element in group 14 that has the smallest atom should be given. Concept introduction: Atomic size increases from top to bottom in a group.

Solution Summary: The author explains that the symbol of the element in group 14 that has the smallest atom should be given.

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.

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Chapter 9 Solutions

(a) Interpretation: The symbol of element in group 14 that has the smallest atom should be given. Concept introduction: Atomic size increases from top to bottom in a group.

Solution Summary: The author explains that the symbol of the element in group 14 that has the smallest atom should be given.

(a) Interpretation: The symbol of element in group 14 that has the smallest atom should be given. Concept introduction: Atomic size increases from top to bottom in a group.

(b) Interpretation: The element with largest atom in period 5 should be given. Concept introduction: From left to right across a period, atomic size gets decreases.

(c) Interpretation: The element with lowest 1st ionization energy in group 17 should be determined. Concept introduction: from top to bottom, across a period the value of 1st ionization get increase.

Want to see the full answer?

Chapter 9 Solutions

(a)

Interpretation:

The symbol of element in group 14 that has the smallest atom should be given.

Concept introduction:

Atomic size increases from top to bottom in a group.

(b)

Interpretation:

The element with largest atom in period 5 should be given.

Concept introduction:

From left to right across a period, atomic size gets decreases.

(c)

Interpretation:

The element with lowest 1^st ionization energy in group 17 should be determined.

Concept introduction:

from top to bottom, across a period the value of 1^st ionization get increase.