How can I knoww.. I don't know about my homework... Can you walk me through all of this questions please? I have to study. 1. Fill in the blank spaces in the table.ElementAtomicMassProtonsNeutronsElectronsnumberNumber8826122. Write the complete electron configuration :Element Electron configurationGroupnumber of valenceNumberelectronsСаBrArAl3. Write the symbol for the element that meets the following conditions:has 5 electrons in shell 2a.b.has four 3p electronshas one electron in 3d subshellс.4. Identify and circle the p block element(s) from the list:Si , Be,H, Br, Ne,Bi, Се, Хе5. 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 IarWrite the number of electrons present in each of these ionsa. Са2+b. Na*с. C-d. Se?-

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Chemistry

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

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter11: Modern Atomic Theory

Section: Chapter Questions

Problem 115AP

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How can I knoww.. I don't know about my homework... Can you walk me through all of this questions please? I have to study.

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?-

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