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 а. has four 3p electrons has one electron in 3d subshell b. 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?

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...
icon
Related questions
Question
100%
I need help.. question 2.3.4.5.6 and How can I all of this questions..
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?-
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?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Equilibrium Concepts in Analytical Chemistry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY