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periodic table, a tool used by chemists to organize elements based on their properties. Elements are arranged in rows ( periods) and columns (groups or families) according to their atomic number, which is the number of protons in the nucleus of an atom. Elements in the same group often share similar chemical properties because they have the same number of valence electrons. For example, the alkali metals in Group 1 are all highly reactive with water. Which of the following best describes the organization of the periodic table? A) Elements are arranged alphabetically based on their names. B) Elements are arranged in order of increasing atomic number, with similar properties recurring in groups. C) Elements are arranged by their density, with heavier elements placed at the top. D) Elements are arranged based on the date of their discovery.

periodic table, a tool used by chemists to organize elements based on their properties. Elements are arranged in rows ( periods) and columns (groups or families) according to their atomic number, which is the number of protons in the nucleus of an atom. Elements in the same group often share similar chemical properties because they have the same number of valence electrons. For example, the alkali metals in Group 1 are all highly reactive with water. Which of the following best describes the organization of the periodic table? A) Elements are arranged alphabetically based on their names. B) Elements are arranged in order of increasing atomic number, with similar properties recurring in groups. C) Elements are arranged by their density, with heavier elements placed at the top. D) Elements are arranged based on the date of their discovery.

Chemistry
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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periodic table, a tool used by chemists to organize elements based on their properties. Elements are arranged in rows ( periods) and columns (groups or families) according to their atomic number, which is the number of protons in the nucleus of an atom. Elements in the same group often share similar chemical properties because they have the same number of valence electrons. For example, the alkali metals in Group 1 are all highly reactive with water. Which of the following best describes the organization of the periodic table? A) Elements are arranged alphabetically based on their names. B) Elements are arranged in order of increasing atomic number, with similar properties recurring in groups. C) Elements are arranged by their density, with heavier elements placed at the top. D) Elements are arranged based on the date of their discovery.
Transcribed Image Text:periodic table, a tool used by chemists to organize elements based on their properties. Elements are arranged in rows ( periods) and columns (groups or families) according to their atomic number, which is the number of protons in the nucleus of an atom. Elements in the same group often share similar chemical properties because they have the same number of valence electrons. For example, the alkali metals in Group 1 are all highly reactive with water. Which of the following best describes the organization of the periodic table? A) Elements are arranged alphabetically based on their names. B) Elements are arranged in order of increasing atomic number, with similar properties recurring in groups. C) Elements are arranged by their density, with heavier elements placed at the top. D) Elements are arranged based on the date of their discovery.
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