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Concept explainers
(a)
Interpretation:
The number of valence electrons in
Concept Introduction:
The electrons present in the outermost shell of the atom are known a valence electrons.
Valency electrons are important because:
- The valence electrons decide the reactivity of an element.
- The valence electrons decide the way an atom forms a bond with another atom.
- The valence electron in an atom decides the combining capacity of the element.
- Except inner
transition elements valence electrons are present in s or p subshells of elements. - For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.
(b)
Interpretation:
The number of valence electrons in
Concept Introduction:
The electrons present in the outermost shell of the atom are known a valence electrons.
Valency electrons are important because:
- The valence electrons decide the reactivity of an element.
- The valence electrons decide the way an atom forms a bond with another atom.
- The valence electron in an atom decides the combining capacity of the element.
- Except inner transition elements valence electrons are present in s or p subshells of elements.
- For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.
(c)
Interpretation:
The number of valence electrons in
Concept Introduction:
The electrons present in the outermost shell of the atom are known a valence electrons.
Valency electrons are important because:
- The valence electrons decide the reactivity of an element.
- The valence electrons decide the way an atom forms a bond with another atom.
- The valence electron in an atom decides the combining capacity of the element.
- Except inner transition elements valence electrons are present in s or p subshells of elements.
- For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.
(d)
Interpretation:
The number of valence electrons in
Concept Introduction:
The electrons present in the outermost shell of the atom are known a valence electrons.
Valency electrons are important because:
- The valence electrons decide the reactivity of an element.
- The valence electrons decide the way an atom forms a bond with another atom.
- The valence electron in an atom decides the combining capacity of the element.
- Except inner transition elements valence electrons are present in s or p subshells of elements.
- For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.
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Chapter 4 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Identify the Lewis acid in the following reaction: A. BF3 B. F C. BF4 D. None of these is an acid. B OD O A O Carrow_forwardConsider a solution which is 0.10 M in CH3COOH and 0.20 M in NaCH3coo. Which of the following statements is TRUE? A. If a small amount of NaOH is added, the pH decreases very slightly. B. If NaOH is added, the OH- ions react with the CH3CO0 ions. C. If a small amount of HCl is added, the pH decreases very slightly. D. If HCI is added, the H* ions react with CH3COOH ions. E. If more CH3COOH is added, the pH increases.arrow_forwardDefine the following terms: a. hydronium ion b. acid c. base d. Ka e. pKaarrow_forward
- Which of the following materials will have the greatest effect on colligative properties of a solution? a. CH3CI b. NaCl c. (NH4)2SO4 d. CH3CH2OH O A O Darrow_forwardWhich of the following compounds would be most soluble in carbon tetrachloride, CCl4? a. NH3 d. CH3OHb. H2O e. C6H6c. HClarrow_forwardGive the molecular formula of the functional group that is missing. a. NH+ b. CH3 c. COOH d. C6H12O6arrow_forward
- What is the maximum number of electrons in the 1s orbital of an atom? Select one: а. 1 O b. 2 С. 3 d. 4 e. 5 Clear my choicearrow_forwardGiven Reactants: Sodium Hydroxide (NaOH) Potassium Permanganate (KMnO4) Glucose (C₆H₁₂O₆) Find the following: 1. Molecular equation 2. Total ionic equation 3. Net ionic equationarrow_forwardWork out the following problems: a. What is the pH of a solution with a concentration of0.00001 moles/ml (M) of OH−?b. Draw the atomic structure of magnesium and predict what kindsof bonds it will make.c. What kind of ion would you expect magnesium to make on thebasis of its valence?arrow_forward
- Define the following terms: a. dipole b. hydrogen bond c. electrostatic interaction d. covalent bond e. hydrationarrow_forwardThe following equation shows the reaction of baking soda (NaHCO3) and hydrochloric acid (HCl). NaHCO3+HCl → CO2+H2O+NaCl If you have 3.0 grams of NaHCO3, how many moles of HCl are needed for a complete relation?arrow_forwardBicarbonate ion (HCO3) is a type of the following: O a. Acid O b. Base O c. Buffer O d. Salt Oe. None of the Abovearrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
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