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1. Fill in the blank spaces in the table. Element Atomic Mass Protons Neutrons Electrons number Number 8 8. 26 12

1. Fill in the blank spaces in the table. Element Atomic Mass Protons Neutrons Electrons number Number 8 8. 26 12

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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1. Fill in the blank spaces in the table. Element Atomic Mass Protons Neutrons Electrons number Number 8 8 26 12 2. Write the complete electron configuration : Element Electron configuration Group number of valence Number electrons Са Br Ar Al 3. Write the symbol for the element that meets the following conditions: has 5 electrons in shell 2 a. b. has four 3p electrons has one electron in 3d subshell с. 4. Identify and circle the p block element(s) from the list: Si , Be, H, Br, Ne, Bi, Се, Хе 5. What element has 25 electrons when it forms a cation with a 2+ charge?
Transcribed Image Text:1. Fill in the blank spaces in the table. Element Atomic Mass Protons Neutrons Electrons number Number 8 8 26 12 2. Write the complete electron configuration : Element Electron configuration Group number of valence Number electrons Са Br Ar Al 3. Write the symbol for the element that meets the following conditions: has 5 electrons in shell 2 a. b. has four 3p electrons has one electron in 3d subshell с. 4. Identify and circle the p block element(s) from the list: Si , Be, H, Br, Ne, Bi, Се, Хе 5. What element has 25 electrons when it forms a cation with a 2+ charge?
6. What element has 18 electrons when it forms an anion with a 2- charge? How Can Iar Write the number of electrons present in each of these ions a. Са2+ b. Na* с. C- d. Se?-
Transcribed Image Text:6. What element has 18 electrons when it forms an anion with a 2- charge? How Can Iar Write the number of electrons present in each of these ions a. Са2+ b. Na* с. C- d. Se?-
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