1s2 2s2 2p6 Guías de estudio, Notas de estudios & Resúmenes
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AQA AS Chemistry Paper 1: Inorganic and Physical Chemistry Questions & Correct Answers/ Graded A+
- Examen • 12 páginas • 2024
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Give the full electron configuration of an Al atom and a Cr3+ ion 
: 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ with the same electron 
: Sr2+ 
Deduce the formula of the compound that contains 2+ ions and 3- ions that both have the 
same electron configuration as argon 
: CaP 
Deduce which of Na+ and Mg2+ is the smaller ion 2 marks 
: Mg 2+ 
2 
Both have the same number of shielding however Mg2+ has more protons so higher nuclear 
charge and...
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AQA AS Chemistry Paper 1: Inorganic and Physical Chemistry Questions With Revised Correct Answers | Updated & Already Passed |
- Examen • 9 páginas • 2024
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AQA AS Chemistry Paper 1: 
Inorganic and Physical Chemistry 
Questions With Revised Correct 
Answers 
| Updated & Already Passed | 
Give the full electron configuration of an Al atom and 
a Cr3+ ion - ANSWER : 1s2 2s2 2p6 3s2 3p1 
1s 2s2 2p6 3s2 3p6 3d6 
Deduce the formula of the ion that has a charge 2+ 
with the same electron - ANSWER : Sr2+ 
Deduce the formula of the compound that contains 
2+ ions and 3- ions that both have the same electron 
configuration as argon - ANSWER : CaP 
...
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A Level Physical Chemistry AQA questions and answers 100% verified.
- Examen • 20 páginas • 2024
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A Level Physical Chemistry AQA questions and answers 100% verified. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1 - ANS.relative mass of a proton 
 
1 - ANS.relative mass of a neutron 
 
1/1840 - ANS.relative mass of an electron 
 
+1 - ANS.relative charge of a proton 
 
0 - ANS.relative charge of a neutron 
 
-1 - ANS.Relative charge of an electron 
 
strong nuclear force - ANS.How is the nucleus held together 
 
nuclear force - ANS.is the nuclear force or electrostatic force stronge...
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CHEM 103 MODULE 4 EXAM wwith complete Solutions
- Examen • 4 páginas • 2024
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Question 1 
. 
Write the subshell electron configuration (i.e.1s2 2s2, etc.) for the Fe26 atom. 
Fe26 = 26 
electrons = 1s2 2s2 2p6 3s2 3p6 4s2 3d6 
Question 2 
Write the subshell electron configuration (i.e.1s2 2s2, etc.) for the S16 atom. S16 = 16 
electrons = 1s2 2s2 2p6 3s2 3p
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TEAS ATI 7 Exam Questions and Answers 100% Pass
- Examen • 18 páginas • 2024
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TEAS ATI 7 Exam Questions and 
Answers 100% Pass 
How many valence electrons does an atom have if the atom has an atomic number of 
10? -Answer-8 valence e- because it ends with 2s2 2p6 
How many valence electrons will an atom have if the atom is located in Group VIA of 
the periodic table? -Answer-VI=6 
An atom located in which of the following groups on the periodic table of elements will 
most likely gain electrons from another atom in a chemical reaction? -Answer-The 
higher the valence elec...
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry questions and answers verified
- Examen • 23 páginas • 2024
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AQA 2023 AS CHEMISTRY 7404/2 Paper 2 Organic and 
Physical Chemistry questions and answers verified 
What is the equation linking mass moles and MR? 
Mass=moles * MR 
What is the definition of Ar (relative atomic mass)? 
The average mass of an atom of an element compared to the mass of one twelfth of 
carbon 12. 
What does Mr stand for? 
Relative molecular mass 
Define relative isotopic mass. 
The mass of an isotope of an element compared to the mass of one twelfth of the mass 
of carbon 12 
...
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TEST BANK FOR ORGANIC CHEMISTRY WITH BIOLOGICAL TOPICS, 6TH EDITION, JANICE SMITH
- Examen • 46 páginas • 2024
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Student name:__________ 
1) What is the ground-state electronic configuration of a carbon atom? 
A) 1s 2, 2s 2, 2p 5 
B) 1s 2, 2s 2, 2p 2 
C) 1s2, 2s2, 2p6 
D) 1s2, 2s2, 2p4 
Question Details 
Difficulty : 1 Easy 
Topic : Structure and Bonding 
Chapter : 01 
Accessibility : Keyboard Navigation 
Bloom's : 2. Understand 
Section : 01.01 
2) What is the ground-state electronic configuration of a fluorine atom? 
A) 1s2, 2s2, 2p2 
B) 1s2, 2s2, 2p3 
C) 1s2, 2s2, 2p4 
D) 1s2, 2s2, 2p5 
Question Detail...
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TEAS ATI 7 Exam Questions and Answers 100% Pass
- Examen • 18 páginas • 2024
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TEAS ATI 7 Exam Questions and 
Answers 100% Pass 
How many valence electrons does an atom have if the atom has an atomic number of 
10? -Answer-8 valence e- because it ends with 2s2 2p6 
How many valence electrons will an atom have if the atom is located in Group VIA of 
the periodic table? -Answer-VI=6 
An atom located in which of the following groups on the periodic table of elements will 
most likely gain electrons from another atom in a chemical reaction? -Answer-The 
higher the valence elec...
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Solution Manual for Organic Chemistry Mechanistic Patterns Canadian 1st Edition Ogilvie Ackroyd Br
- Examen • 809 páginas • 2024
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Chapter 1 
Carbon and Its Compounds 
CHECKPOINT PROBLEMS 
Practice Problem 1.1 
a) S — 1s2 
2s2 
2p6 
3s2 
3p4 
b) Cl — 1s2 
2s2 
2p6 
3s2 
3p5 
c) Na+ — 1s2 
2s2 
2p6 
1-2 Copyright © 2018 Nelson Education Limited 
Practice Problem 1.2 
a) Count valence electrons. 
Build a basic bonding framework and account for electrons used. 
Add remaining electrons and check for formal charges. 
The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. 
b) Count valence...
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TEST BANK FOR ORGANIC CHEMISTRY, 8TH EDITION, PAULA YURKANIS BRUICE
- Examen • 25 páginas • 2024
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Organic Chemistry, 8e (Bruice) 
Chapter 1 Remembering General Chemistry: Electronic Structure and Bonding 
1) Atoms with the same number of protons but different numbers of neutrons are called 
. 
Answer: isotopes 
Section: 1-1 
2) Which of the following elements does this electronic configuration represent? 
1s2 2s2 2p5 
A) F 
B) C C) N 
D) Al E) O 
Answer: A 
Section: 1-2 
3) How many unpaired electrons are present in the isolated carbon atom (atomic number = 
6)? A) none 
B) one C) 
two D) 
t...
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