Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN: 9781305960060
Author: Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 3.18E
Look at the periodic table and tell how many electrons are in the valence shell of the following elements:
a. element number
b. the first element (reading down) in group VA
c.
d. The fourth element (reading left to right) in period
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An element in the third period of the periodic
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Answer number 44 to 45 pls. I don't want to waste my money here.
Water contains small amounts of the element fluorine, which helps to strengthen tooth enamel and prevent cavities. What would you expect to happen to the fluorine element when it is added to drinking water?
a. Fluorine would lose an electron and would be found as HF.
b. Fluorine would gain a proton, becoming a radioactive isotope.
c. Fluorine would gain an electron and would be found as F- or HF.
d.Fluorine would form a covalent bond with water.
Chapter 3 Solutions
Chemistry for Today: General, Organic, and Biochemistry
Ch. 3 - Identify the group and period to which each of the...Ch. 3 - Identify the group and period to which each of the...Ch. 3 - Write the symbol and name for the elements located...Ch. 3 - Write the symbol and name for the elements located...Ch. 3 - a. How many elements are located in group VIIB (7)...Ch. 3 - a. How many elements are located in group VIIB (7)...Ch. 3 - The following statements either define or are...Ch. 3 - The following statements either define or are...Ch. 3 - According to the Bohr theory, which of the...Ch. 3 - What particles in the nucleus cause the nucleus to...
Ch. 3 - What is the maximum number of electrons that can...Ch. 3 - What is the maximum number of electrons that can...Ch. 3 - How many orbitals are found in the fourth shell?...Ch. 3 - How many orbitals are found in the second shell?...Ch. 3 - Prob. 3.15ECh. 3 - How many orbitals are found in a 4f subshell? What...Ch. 3 - Identify the subshells found in the fourth shell;...Ch. 3 - Look at the periodic table and tell how many...Ch. 3 - Look at the periodic table and tell how many...Ch. 3 - What period 6 element has chemical properties most...Ch. 3 - Prob. 3.21ECh. 3 - Prob. 3.22ECh. 3 - Prob. 3.23ECh. 3 - Write an electronic configuration for each of the...Ch. 3 - Prob. 3.25ECh. 3 - Write electronic configuration and answer the...Ch. 3 - Write electronic configuration and answer the...Ch. 3 - Prob. 3.28ECh. 3 - Prob. 3.29ECh. 3 - Prob. 3.30ECh. 3 - Prob. 3.31ECh. 3 - Prob. 3.32ECh. 3 - Prob. 3.33ECh. 3 - Classify each of the following elements into the...Ch. 3 - Classify each of the following elements into the...Ch. 3 - Prob. 3.36ECh. 3 - Prob. 3.37ECh. 3 - Classify the following as metals, nonmetals, or...Ch. 3 - Prob. 3.39ECh. 3 - Prob. 3.40ECh. 3 - Prob. 3.41ECh. 3 - Use trends within the periodic table and indicate...Ch. 3 - Prob. 3.43ECh. 3 - Use trends within the periodic table and indicate...Ch. 3 - Prob. 3.45ECh. 3 - How would you expect the chemical properties of...Ch. 3 - Prob. 3.47ECh. 3 - What would be the mass in mg of 3.01020atoms that...Ch. 3 - Prob. 3.49ECh. 3 - A 10.02-g sample of an element contains 0.250mol...Ch. 3 - Prob. 3.51ECh. 3 - Prob. 3.52ECh. 3 - Prob. 3.53ECh. 3 - Calcium metal reacts with cold water as follows:...Ch. 3 - Prob. 3.55ECh. 3 - Prob. 3.56ECh. 3 - The arrangement of the modern periodic table is...Ch. 3 - The horizontal rows of the periodic table are...Ch. 3 - Prob. 3.59ECh. 3 - Which two elements have chemical properties that...Ch. 3 - Prob. 3.61ECh. 3 - Prob. 3.62ECh. 3 - What does the number 36 represent on the periodic...Ch. 3 - Prob. 3.64ECh. 3 - Prob. 3.65ECh. 3 - Prob. 3.66ECh. 3 - From the periodic table, which of K and Br is...Ch. 3 - Prob. 3.68ECh. 3 - Prob. 3.69ECh. 3 - Which of the following has the largest first...Ch. 3 - Which elements conduct electricity? a. metals b....Ch. 3 - What term describes the electrons in the outermost...Ch. 3 - If the electron configuration of an element is...Ch. 3 - Identify the two atoms with the same number of...Ch. 3 - The number of unpaired electrons in the outer...Ch. 3 - How many valence electrons are needed to complete...Ch. 3 - An atom that has five 3p electrons in its ground...
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