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Determine the number of protons and electrons in each of the following ions:
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Chapter 3 Solutions
Chemistry In Focus
- 10. Fill in the following answers: a. Give the complete symbol for an anion of nitrogen with 8 neutrons and 8 electrons. b. Give the complete symbol for an atom of phosphorus with two more neutrons than sulfur-34. c. An ion of iron with 23 electrons.arrow_forward16 How many neutrons are in the most common isotope of Ag? 62 What is the atomic mass of Magnesium? a. 12 b. 30.97 B. Nickel is a(n). element. a. inner transition b. transition 9. An element with 20 protons, 18 electrons, and 20 neutrons is a(n)? a. anion b. cation 10. What is the normal charge on O as an ion? (Write the ion with a + or 2- 11. How many neutrons does an ion of Bromine with a -1 charge have? 12. How many electrons does a typical Li ion have? Grade and Submit Start Overarrow_forwardRust 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?arrow_forward
- 7) The phosphate ion has a net charge of A. zero B. -2 C. +3 D. +2 E. -3arrow_forwardState the number of protons and electrons in each of the following:a. Cu2+ b. Se2-c. Br- d. Fe3+arrow_forwardC. 68. How many protons, neutrons, and electrons are in each of the following atoms or ions? a. b. c. Mg Mg2+ Co²+ d. 22/Co³+ e. Co f. 79 34 Se g. 34Se²- h. Ni i. 5gNi²+ 2+ 28arrow_forward
- Use the following information to identify the atom or ion: 8 protons, 8 neutrons, and 10 electrons. Select one: O b. 0 2+ c. s2 d. s2+arrow_forwardTAT 2. The atoms of which element would have the largest atomic radius? A. Calcium B. Strontium 3. Which elements on the periodic table are in Group 11B? A. Fluorine, Chlorine, Bromine B. Copper, Silver, Gold 5. Which elements are halogen elements? A. Fluorine, Chlorine, Bromine B. Calcium, Strontium, Barium C. Barium D. All atoms have the same radius 4. What is the correct position on the periodic table for the element lead? A. Period 4 C. Period 6 B. Period 5 D. Period 7 6. Which elements are metalloids? A. Fluorine, Sulphur, Antimony B. Gallium, Tin, Bismuth C. Vanadium, Niobium, Tantalum D. Boron, Aluminum, Gallium A. Not gases B. Not liquids C. Sodium, Potassium, Rubidium D. Krypton, Xenon, Radon C. Silicon, Arsenic, Tellurium D. Europium, Gadolinium, Terbium 7. 26/118 elements on the most recent periodic table of the elements are... C. Not solids D. Not metals 8. Which elements are post-transition metals? A. Europium, Gadolinium, Terbium B. Uranium, Neptunium, Plutonium C.…arrow_forwardchoose the correct answer. 36. Which of these represents an ion? * A. Mg B. 2^4He C. Na+ D. Ca-40 37. Which statement about an atom with atomic number 140 is not true? * A. It contains 140 protons B. It contains 140 electrons C. Its atomic weight is 140 D. Its nuclear charge is 140 38. The number of nucleons of an atom is equal to * A. A B. AW C. n D. Z 39. The following are characteristics of a nuclear change except * A. it originates from the nucleus B. It releases tremendous amount of energy C. It is affected by external conditions such as temperature and pressure D. It changes the identity of the atom…arrow_forward
- 1. The atomic number of lithium is 3. How many neutrons does an atom of lithium have if it is represented by the symbol shown below? 7Li O A 2 neutrons OB. 13 neutrons C. 4 neutrons O D. 7 neutrons 2. The atomic number of fluorine is 9. How many electrons does an ion of fluorine have if it is represented by the symbol shown below? 19F1- O A 8 electrons O B. 9 electrons C. 10 electrons O D. 20 electrons 3. The electron dot diagram for a neutral atom of chlorine (atomic number 17) is shown below. Which of the following symbols represents a chlorine ion with a stable arrangement of eight valence electrons? CI: A 35C1¹- B. 35C12- C. 35C11+ O D. 35clarrow_forward2:46 AM Thu Oct 14 75% AA www-awn.aleks.com G periodic tabl... Home YouT... G Watch YouTu... Home YouT... G Watch YouTu... XALEKS Cali... G kno3 acid or... rogra... Objective Knowledge Check Question 10 Caliyah v The names and chemical formulae of some chemical compounds are written in the first two columns of the table below. Each compound is soluble in water. Imagine that a few tenths of a mole of each compound is dissolved in a liter of water. Then, write down in the third column of the table the chemical formula of the major chemical species that will be present in this solution. For example, you know water itself will be present, so you can begin each list with the chemical formula for water (H, O). Note: "major" chemical species are those present in concentrations greater than 10 9 - mol/L. major species present when dissolved in water compound formula 0,0,. ammonium chloride ɔ'HN nickel(II) iodide Nil, acetone I Don't Know Submit Z021 IVILUIAW nI LLC. AI RIgnts Reserved. Terms…arrow_forwardIron Boron jogius Sulfur Silicon Element (DULCORE) Aluminum Atomic Notation 342 54 Fe sayn JOA 134 VIOBIC Subatomic Metal, Non-metal, Particles or Semi-metal #p #e #n #p #e #n 6 #p #e #n 18 #p #e #n 14 #p #e #n 2aparoun 15491-1407-16 Phase @ 1 atm & 25°C 200g Observations 211AGLA 22 23/2014arrow_forward
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