Page <> of 2+ZOOMENGR 1540 Worksheet 2 Chapter 21. Which isotope in each pair contains more neutrons?a. chlorine-35 or sulfur-33b. fluorine-19 or neon-19с. соррer-63 or zinc-65d. iodine-126 or tellurium-1272. Write the complete atomic symbol for each of the following isotopes.a. carbon-13b. phosphorus-31c. sodium-23d. boron-103. How many electrons, protons, and neutrons are there in each of the following atoms?a. magnesium-24, 24Mgb. tin-119, 119S.c. thorium-232, 232Thd. carbon-13,13Ce. соррer-63, 63Cuf. bismuth-205, 205Bİ4. The following table presents the abundances and masses of the isotopes of zinc. What isthe atomic weight of zinc?Isotope64ZnAbundance48.6%Mass63.9291 amu66Zn67Zn68Zn27.9%65.9260 amu66.9271 amu67.9249 amu69.9253 amu4.10%18.8%70Zn0.60%5. Provide the symbol of the following monatomic ions, given the number of protons andelectrons in each.a. 8 protons, 10 electronsb. 20 protons, 18 electronsc. 53 protons, 54 electronsd. 26 protons, 24 electrons6.How mony protons ond electrong ore in eoch of the fo1lowing ions? Page <2of 2ZOOM+6. How many protons and electrons are in each of the following ions?a. Natb. Al3+С. S2-d. Br7. Identify each of the following species as an anion, a cation, or a molecule.a. CO;?-b. СО2с. NH*d. N3-e. CH;COO-8. Write the atomic symbol for the element whose ion has a 2- charge, has 20 more neutronsthan electrons, and has a mass number of 126.9. Give the symbol, including the correct charge, for each of the following ions.a. barium ionb. titanium(IV) ionc. phosphate iond. cobalt(II) ione. sulfate ion

Mass number = number of proton+ number if neutron Number of proton = number of electron Number of…

1. Which isotope in each pair contains more neutrons? a. chlorine-35 or sulfur-33 b. fluorine-19 or neon-19 c. copper-63 or zinc-65 d. iodine-126 or tellurium-127 2. Write the complete atomic symbol for each of the following isotopes. a. carbon-13 b. phosphorus-31 c. sodium-23 d. boron-10 3. How many electrons, protons, and neutrons are there in each of the following atoms? a. magnesium-24, 2ªMg b. tin-119, 119Sn c. thorium-232, 232'Th d. carbon-13, 13C е. соррer-63, 6Си f. bismuth-205, 205Bİ

1. Which isotope in each pair contains more neutrons? a. chlorine-35 or sulfur-33 b. fluorine-19 or neon-19 c. copper-63 or zinc-65 d. iodine-126 or tellurium-127 2. Write the complete atomic symbol for each of the following isotopes. a. carbon-13 b. phosphorus-31 c. sodium-23 d. boron-10 3. How many electrons, protons, and neutrons are there in each of the following atoms? a. magnesium-24, 2ªMg b. tin-119, 119Sn c. thorium-232, 232'Th d. carbon-13, 13C е. соррer-63, 6Си f. bismuth-205, 205Bİ

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

410 186 410 Y 412Z X 183 186 Which two are isotopes? A. X and Y B. X and R C. Y and R D. Z and R E. X and Z 412 R 185
A sample of a new element (X) was found to contain the following mixture of isotopes: 65% X-55, 20% X-54, and 15% X-56. a. What is the average atomic mass of element X? (show your work) b. What element does this most closely match on the periodic table?
14. Given the information below, calculate the weighted average atomic mass (amu) of the element X. Isotope Abundance (%) Mass (amu) 29.98 Xoc 31.92 Xec 66 ZE a. 27.8 b. 29.8 c. 30.6 d. 31.7 Question 15 nts
D. Isotopes and Atomic Mass 1. Nuclear Symbol Protons Neutrons Electrons 107 47Ag 109 47Ag 2. Nuclear Symbol Isotopic Mass Percent Abundance 107 47Ag 106.9 51.84% 109 47Ag 108.9 48.15% Find atomic mass of silver (Show calculations here) Questions and Problems Q4 A neutral atom has a mass number of 80 and has 45 neutrons. Write its atomic symbol. Q5 An atom has two more protons and two more electrons than the atom in Question 4. What is its atomic symbol?
Give the complete symbol (X), including atomic number and mass number, of a. a manganese atom with 27 neutrons. b. a plutonium atom with 144 neutrons. 4X: c. a gold atom with 118 neutrons. 4X:
17.A hypothetical element X is found to have an atomic mass of 37.45 amu. Element X has 2 isotopes, X -37 and X-38. The X- 37 has a fractional abundance of 0.7721 and an exact isotopic mass of 37.24. What is the isotopic mass of the second isotope?
37.) Consider particle A with a mass number of 62, atomic number 32 and an ionic charge of +2. Which of the following is correct a. A has an equal number of protons and neutrons b. A has an equal number of protons and electrons c. A has an equal number of neutrons and electrons d. A has an equal number of protons, electrons and neutrons
a. b. C. d. 18. How many electrons, protons, and neutrons are in each of the following? c. Cobalt-58 d. Fluorine-19 50 Co 27 a. e- b. 18F 9 p+ nº
37. Which of the following statements is not correct? A. A cation is formed when an atom loses one or more electrons. B. An anion is formed when an atom gains one or more electrons. 1 mole of neon, Ne, has a mass of 6.02 x 1023 g. 1 mole of chromium, Cr, has a mass of 52.0 g.
9. Protons Neutrons 64 +1 Zn 30 Electrons
As we saw in the previous problem, lithium has two naturally occurring isotopes: Li-6 (natural abundance 7.5%; mass 6.0151 amu) and Li-7 (natural abundance 92.5%; mass7.0160 amu). Without doing any calculations, determine which mass is closest to the atomic mass of Li. a. 6.00 amu b. 6.50 amu c. 7.00 amu
54. Write the atomic symbol (X) for each of the isotopes described below. a. number of protons = 27, numbe of neutrons b. the isotope of boron with mass number 10 c. Z = 12, A= 23 31 d. atomic number 53, nuuber of ncutrons = 79 e. Z = 9, numbe of peutrons=10 f. number of protons = 2Y 1naNS Dumber 65