1. What patterns do you observe about the ions formed by elements indifferent groups?2. Based on what you know about how elements in the same groups behave,what ions would you predict are made by the following elements?a. Csb. Mgc. Ted. F3. An oxygen ion has a 2- charge.a. How many protons does the oxygen ion have?b. How many electrons does the oxygen ion have?c. How many electrons would a neutral oxygen atom have?1. Use your knowledge of the element groups in the periodic table to determinethe formula for a compound containing potassium (K) and bromine (Br).2. Determine the formula for a compound containing cesium (Cs) and sulfur (S).3. Write an equation for the formation of the following compounds from theirions:a. Beseb. Na Pc. Potassium sulfided. Calcium chlorideMacBook ProFocus

1. What patterns do you observe about the ions formed by elements in different groups? 2. Based on what you know about how elements in the same groups behave, what ions would you predict are made by the following elements? a. Cs b. Mg c. Je d. F 3. An oxygen ion has a 2- charge. a. How many protons does the oxygen ion have? b. How many electrons does the oxygen ion have? c. How many electrons would a neutral oxygen atom have?

1. What patterns do you observe about the ions formed by elements in different groups? 2. Based on what you know about how elements in the same groups behave, what ions would you predict are made by the following elements? a. Cs b. Mg c. Je d. F 3. An oxygen ion has a 2- charge. a. How many protons does the oxygen ion have? b. How many electrons does the oxygen ion have? c. How many electrons would a neutral oxygen atom have?

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter4: Chemical Foundations: Elements, Atoms, And Ions

Section: Chapter Questions

Problem 10ALQ: These questions concern the work of J. J. Thomson: From Thomson’s work, which particles do you think...

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These questions concern the work of J. J. Thomson: From Thomson’s work, which particles do you think he would feel are most important in the formation of compounds (chemical changes) and why? Of the remaining two subatomic particles, which do you place second in importance for forming compounds and why? Come up with three models that explain Thomson’s findings and evaluate them. To be complete you should include Thomson’s findings.
The “Chemistry in Focus” segment Sugar of Lead discusses Pb(C2H3O2)2 , which originally was known as sugar of lead. Why was it called sugar of lead? What is the systematic name for Pb(C2H3O2)2? Why is it necessary to have a system for the naming of chemical compounds?
Is it possible for the same Iwo elements to form more than one compound? Is this consistent with Dalton’s atomic theory? Give an example.
lton believed that atoms were indivisible. Thomson and Rutherford helped to show that this was not true. What if atoms were indivisible? How would this affect the types of reactions you have learned about in this chapter?
59. An atom of aluminum gives away three electrons when it joins with one or more non-metal atoms to form an ionic compound. What ratio of aluminum and each non-metal atom below would be required to have a net charge of zero? a. chlorine, which can gain one electron b. nitrogen, which can gain three electrons c. oxygen, which can gain two electrons
1. In a nonpolar covalent bond, A. electrons are shared equally between the two atoms. B. electrons are shared unequally between the two atoms. C. electron(s) are transferred from the cation to the anion. D. protons are shared unequally between the two atoms.
Maps [References] Americium-241 is an isotope of americium used in household smoke detectors. This element has 11 known isotopes, none of which occurs in nature, but must be made in the laboratory. a. Give the number of protons in an atom of the isotope americium-242. Number of protons b. Give the number of electrons in an atom of the isotope americium-242. Number of electrons c. Give the number of neutrons in an atom of the isotope americium-242. Number of neutrons = Submit Answer Try Another Version 1 item attempt remaining ts ots pts pts Previous Next Email Instruc Cengage Learning | Cengage Technical Support
2. A new fictitious element was discovered. It is a metal named jolmium, J, and it has three valence electrons. If it combines with iodine it forms jolmium iodide. Answer the following questions. a. Is this compound ionic or covalent? b. What is the formula of jolmium iodide? c. What is the charge on the metal J in this compound? d. Explain how you know that is the charge?
27. Water is a compound formed by hydrogen and oxygen sharing electrons. That means this is which type of bond? What two particles are in the nucleus? 28. a. Protons and electrons b. Protons and neutrons c. Electrons and neutrons A substance has a pH of 11. This makes it 29. a. A base b. An acid c. Neutral Using the letters to the right, answer questions 29-30. C,so,Ca, 30. How many different kinds of elements are there? a. 2 b. 3 С. 4 d. 6 31. List the names of and the amount of each element found in this compound. 32. Sodium (Na) likes to give an electron to Chlorine (CI) as they join together. What kind of bond is this? 33. Which particle has a positive charge? a. Proton b. Neutron С. Electron Which particle has a negative charge? a. Proton Nucleic acids are made out of: 34. b. Neutron c. Electron 35. a. Amino acids b. Nucleotides c. Monosaccharides What 3 elements are most common in carbohydrates? a. Carbon, Nitrogen, Hydrogen b. Carbon, Oxygen, Hydrogen c. Oxygen, Hydrogen,…
Rust consists of iron(III) oxide and some iron(III) hydroxide.a. What is the symbol of iron(III) ion?b. How many protons and electrons are there in this ion?c. What is the formula of iron(III) oxide?d. What is the formula of iron(III) hydroxide?
QUESTION 31 A substance composed of two or more elements in a fixed, definite proportion is O A. a homogeneous mixture B. a heterogeneous mixture O C. a compound O D. a solution QUESTION 32 Bonds are made by sharing or transferring by the atoms. O A. protons O B. electrons OC. neutrons O D. photons QUESTION 33 Potassium (K) is a/an O A. noble gas OB. transition metal O C. alkali metal O D. alkaline earth metal
a. What is the charge on ions formed from the alkaline earth metals? b.What is the charge on ions formed by the alkaline earth metals? c.What is the charge on ions formed by the halogens? d.Identify three elements that can only form one cation? e.Identify three elements that can only form one anion f.Identify three elements that can form more than one cation g.In what region of the Periodic Table can an element form more than one cation? h.Are there any elements in this region that only form one cation?i.How do you determine the charge on the main group elements?