Concept explainers
(a)
Interpretation:
The Lewis structure of the given polyatomic ion is to be drawn.
Concept introduction:
The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. These dots represent the number of electrons present in the outermost shell of an element.
(b)
Interpretation:
The Lewis structure of the given polyatomic ion is to be drawn.
Concept introduction:
The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. These dots represent the number of electrons present in the outermost shell of an element.
(c)
Interpretation:
The Lewis structure of the given polyatomic ion is to be drawn.
Concept introduction:
The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are denoted by dots. These dots represent the number of electrons present in the outermost shell of an element.
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Chemistry for Today: General Organic and Biochemistry
- What are bus? How are ions formed from atoms? Do isolated atoms form ions spontaneously? To what do the termscationandanionrefer? In terms of subatomic particles, how is an ion related to the atom from which it is formed? Does the nucleus of an atom change when the atom is converted into an ion? How can the periodic table be used to predict what ion an element’s atoms will form?arrow_forwardIdentify the polyatomic anion (including its proper charge) in each of the following ionic compounds. How many protons and electrons are present in each polyatomic anion? a. NaClO 2 b. Al(OCN) 3arrow_forwardIonic compounds do not consist of molecules, but covalent compounds generally do. Why is it incorrect to refer to a molecule of an ionic compound? As part of your answer, draw two scenes, representing atoms as circles: a. Draw at least 6 copies of NaCl showing how it is bonded. b. Draw at least 6 copies of BrCl showing how it is bonded. Then explain what is meant by a molecule and why it is correct to state that most covalent compounds exist as molecules, but ionic compounds do not exist as molecules. Take a picture of your drawing and explanation and insert it in the answer box.arrow_forward
- Naming ionic compounds For each type of ionic compound, review the names and chemical formulas of the compounds. Then devise a set of rules to name each type of ionic compound. Complete the practice questions. A. Compounds formed from monoatomic ions potassium chioride calcium fluoride KCI CaF apupy unnje appxo unpos HIV cesium sulfide magnesium nitridearrow_forwardA Moving to another question will save this response. Question 10 What is formed when an atom loses or gains an electron? O 1.a new element O 2. ion O 3. molecule 4. bond 5 isotope AMoving to another question will save this response.arrow_forwardThis is not graded. Do number 4 and 5.arrow_forward
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- 68. Classify each of the following compounds as either (1) a binary ionic compound, (2) an ionic compound with polyatomic ion(s), (3) a binary covalent compound, (4) a binary acid, or (5) an oxyacid. Write the chemical formula that corresponds to each name. a. potassium sulfide b. sulfuric acid c. ammonium nitrate d. iodine pentafluoride e. copper(I) sulfate f. hydrofluoric acid g. sodium hydrogen carbonatearrow_forwardQUESTION 2 Consider a silicon-oxygen bond (Si-O). Which atom would have a partial positive charge and which would have a partial negative charge? a. Si would have + charge (less electronegative) and O would have - charge (more electronegatíve). b. O would have + charge (less electronegative) and Si would have - charge (more electronegative).arrow_forward9. Which pair of atoms would form an ionic bond? a. bromine and oxygen b. chlorine and lithium c. carbon and nitrogen d. sodium and neon e. copper and chromium 15. Using only the periodic table, place the following atoms in order of increasing atomic radius: C, Ba, 0, Ca, and Ge. 21. What types of elements are bonded together to make an ionic compound? Give three examples of ionic compounds. Identify the types of elements that make up the compound in each example. 27. Describe how the physical state of a substance at room temperature depends on the strength of the intermolecular forces between the particles of the substance.arrow_forward
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