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...

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Question

Page <
> of 2
+
ZOOM
ENGR 1540 Worksheet 2 Chapter 2
1. Which isotope in each pair contains more neutrons?
a. chlorine-35 or sulfur-33
b. fluorine-19 or neon-19
с. соррer-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, 24Mg
b. tin-119, 119S.
c. thorium-232, 232Th
d. carbon-13,
13C
e. соррer-63, 63Cu
f. bismuth-205, 205Bİ
4. The following table presents the abundances and masses of the isotopes of zinc. What is
the atomic weight of zinc?
Isotope
64Zn
Abundance
48.6%
Mass
63.9291 amu
66Zn
67Zn
68Zn
27.9%
65.9260 amu
66.9271 amu
67.9249 amu
69.9253 amu
4.10%
18.8%
70Zn
0.60%
5. Provide the symbol of the following monatomic ions, given the number of protons and
electrons in each.
a. 8 protons, 10 electrons
b. 20 protons, 18 electrons
c. 53 protons, 54 electrons
d. 26 protons, 24 electrons
6.
How mony protons ond electrong ore in eoch of the fo1lowing ions?

Page <
2
of 2
ZOOM
+
6. How many protons and electrons are in each of the following ions?
a. Nat
b. Al3+
С. S2-
d. Br
7. Identify each of the following species as an anion, a cation, or a molecule.
a. CO;?-
b. СО2
с. NH*
d. N3-
e. CH;COO-
8. Write the atomic symbol for the element whose ion has a 2- charge, has 20 more neutrons
than electrons, and has a mass number of 126.
9. Give the symbol, including the correct charge, for each of the following ions.
a. barium ion
b. titanium(IV) ion
c. phosphate ion
d. cobalt(II) ion
e. sulfate ion

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