Determine the number of electrons in each ion. (a) Sc3 + (b) Cu2+ (c) An ion...
Determine the number of electrons in each ion.
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(a) Sc3 +
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(b) Cu2+
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(c) An ion with 31 protons and a charge of +3
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(d) An ion with 63 protons and a charge of +2
Homework Answers
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Determine the number of electrons in each ion.
(a) Sc3 +
(b) Cu2+
(c) An ion...
Give the number of protons, electrons, and neutrons in each of the following: a. ^10 5...
Give the number of protons, electrons, and neutrons in each of the following: a. ^10 5 B b. ^199 80 Hg c. ^63 29 Cu d. ^77 34 Se Write the symbol for each of the following ions: a. the ion with 3+charge, 28 electrons, and a mass number of 71 b. the ion with 36 electrons, 35 protons, and 45 neutrons c. the ion with 86 electrons, 142 neutrons, and a 4 + charge d. the ion with a...
Determine the number of protons, neutrons, and electrons in each of the following species: a)^52Cr; b)^112Cd;...
Determine the number of protons, neutrons, and electrons in each of the following species: a)^52Cr; b)^112Cd; c)^137Ba^2+; d)^63Cu^+; e)^55Fe^3+
1. How many moles are present in 1.51 x 1023 molecules of HCl? A. 9.12 mol...
1. How many moles are present in 1.51 x 1023 molecules of HCl? A. 9.12 mol B. 0.251 mol C. 3.99 mol D. 146 mol 2. Ions can be formed from atoms by losing or gaining electrons. Select the alternative that states the correct number of protons, neutrons, and electrons in Cu2+ with mass number 63. A. 29 protons, 34 neutrons, 31 electrons B. 29 protons, 34 neutrons, 27 electrons C. 27 protons, 29 neutrons, 29 electrons D. 29 protons,...
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC...
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 42 ? +6 B. 34 ?-2 C. ? - 3
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC...
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 47 ? *3 B. ss? - C. sz? -2
Consider three metal spheres, A, B and C. A has the same number of electrons and...
Consider three metal spheres, A, B and C. A has the same number of electrons and protons. B has 1.88x1020 fewer electrons than protons. C has 1.25x1020 more electrons than protons. a) What is the charge (in MKS units) on each sphere? b) What is the total charge on all of the spheres? Touch A to B and separate them. Then touch B to C and separate them. Finally touch C to A and separate them. c) What is the...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r 77 PROTONS, 77 RECTCONS, 119 NEARONS b. Pb S2 PROTONS, 32 ELECTRONS, 157 NEUTRONS c. 2 GA 31 PROTONJ, 31ELEGRONJ, 42 NEUTRONS 28 Ni 7. (9 points) Write the mass number, atomic number, and chemical symbol for the following isotopes: a. 13 protons, 13 electrons, 15 neutrons 139 b. 76 protons, 76 electrons, 115 neutrons C. 88 protons, 88 electrons, 138 neutrons
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) proton...
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) protons and neutrons e) neutrons 66) The atomic number of an atom is: a) the number of electrons it has b) the number of neutrons it has c) the number of protons it has d) the number of protons plus the number of neutrons it has e) the combined total of protons, neutrons and electrons that it has 67) In water,...
Problem 1. Label each of the following items as an ionic compound. molecule: (a) LiCI (b)...
Problem 1. Label each of the following items as an ionic compound. molecule: (a) LiCI (b) H2O (c) NaF element, or : (a) Problem 2. Label each of the following items as an ionic compound. molecule: (a) CO2: (b) CaO; (c) N2. Ans: (a) Problem 3. Write the ion symbol for an atom with the given number of protons and electrons: (a) 11 protons and 10 electrons; (b) 35 protons and 36 electrons; (c) 7 pro- tons and 10 electrons....
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 42 ? +6 B. 34 ? ?...
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 42 ? +6 B. 34 ? ? C. si ? -
Give the number of protons, electrons, and neutrons in each of the following: a. ^10 5 B b. ^199 80 Hg c. ^63 29 Cu d. ^77 34 Se Write the symbol for each of the following ions: a. the ion with 3+charge, 28 electrons, and a mass number of 71 b. the ion with 36 electrons, 35 protons, and 45 neutrons c. the ion with 86 electrons, 142 neutrons, and a 4 + charge d. the ion with a...
Determine the number of protons, neutrons, and electrons in each of the following species: a)^52Cr; b)^112Cd; c)^137Ba^2+; d)^63Cu^+; e)^55Fe^3+
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 42 ? +6 B. 34 ?-2 C. ? - 3
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 47 ? *3 B. ss? - C. sz? -2
Consider three metal spheres, A, B and C. A has the same number of electrons and protons. B has 1.88x1020 fewer electrons than protons. C has 1.25x1020 more electrons than protons. a) What is the charge (in MKS units) on each sphere? b) What is the total charge on all of the spheres? Touch A to B and separate them. Then touch B to C and separate them. Finally touch C to A and separate them. c) What is the...
6. (9 points) Determine the number of protons, electrons, and neutrons in each isotope. a. 1951r 77 PROTONS, 77 RECTCONS, 119 NEARONS b. Pb S2 PROTONS, 32 ELECTRONS, 157 NEUTRONS c. 2 GA 31 PROTONJ, 31ELEGRONJ, 42 NEUTRONS 28 Ni 7. (9 points) Write the mass number, atomic number, and chemical symbol for the following isotopes: a. 13 protons, 13 electrons, 15 neutrons 139 b. 76 protons, 76 electrons, 115 neutrons C. 88 protons, 88 electrons, 138 neutrons
65) The nucleus of an atom contains: a) protons and electrons b) just electrons c) electrons and neutrons d) protons and neutrons e) neutrons 66) The atomic number of an atom is: a) the number of electrons it has b) the number of neutrons it has c) the number of protons it has d) the number of protons plus the number of neutrons it has e) the combined total of protons, neutrons and electrons that it has 67) In water,...
Problem 1. Label each of the following items as an ionic compound. molecule: (a) LiCI (b) H2O (c) NaF element, or : (a) Problem 2. Label each of the following items as an ionic compound. molecule: (a) CO2: (b) CaO; (c) N2. Ans: (a) Problem 3. Write the ion symbol for an atom with the given number of protons and electrons: (a) 11 protons and 10 electrons; (b) 35 protons and 36 electrons; (c) 7 pro- tons and 10 electrons....
2. Identify the ion, the number of protons, the number of electrons, and give the IUPAC name. A. 42 ? +6 B. 34 ? ? C. si ? -
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