Ionic radius - Study guides, Class notes & Summaries
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MCAT AAMC Question Packs Mixed ALL SOLUTION LATEST EDITION 2024 GUARANTEED GRADE A+
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temperature is related to KE how? 
temp is the average kinetic energy 
thermal energy is related to KE how? 
thermal energy is the total KE 
Brainpower 
enthalpy of fusion is ALWAYS greater than enthalpy of vaporization because? 
it has to break more bonds (solid --> liquid) 
the amount of heat depends on (2 factors) 
1. the type of substance 
2. the amount of the substance 
during a phase change does temperature change? 
NO 
if an archaebacerial species lives in a pool that is 0.01 M HCL wh...
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Inorganic Chemistry - Exam 2 with 100% Correct Answers | Verified | Updated
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Inorganic Chemistry - Exam 2 with 100% 
Correct Answers | Verified | Updated 
Why are metals electrically ____________? - answer- conductive 
- They have valence electrons that are delocalized 
A result of having delocalized electrons, metals have ______________ properties. - 
answerreflective (shiny) 
Explain why metals are malleable. - answerThe atoms are arranged in uniform rows which 
can slide over one another. 
The structure of a metal can best be described as a ___________ consisting of _...
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Inorganic Chemistry - Exam 2 with 100% Correct Answers | Verified | Updated
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Inorganic Chemistry - Exam 2 with 100% 
Correct Answers | Verified | Updated 
Why are metals electrically ____________? - answer- conductive 
- They have valence electrons that are delocalized 
A result of having delocalized electrons, metals have ______________ properties. - 
answerreflective (shiny) 
Explain why metals are malleable. - answerThe atoms are arranged in uniform rows which 
can slide over one another. 
The structure of a metal can best be described as a ___________ consisting of _...
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CHEM 1301 Exam 3 with Q&A year 2024
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Which of the following has primarily ionic bonding? - ANS Na2O 
Which atom is more electronegative, oxygen or boron? Use the atomic symbol for your answer. - ANS O 
Which atom is more electronegative, oxygen or bromine? Use the atomic symbol for your answer. - ANS O 
Which of the following has nonpolar bonds? - ANS O2 
In which of the following bonds would the silicon atom be the slightly positive one? - ANS Si-C 
A sulfur atom needs to gain _____ electrons to achieve a noble gas configuration. ...
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CH 222 Test Bank Biochemistry Test 1 - Centennial College
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The dipole moment in a water molecule Which statement about hydrogen bonds is NOT 
true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to 
four other water molecules. 
C) Individual hydrogen bonds are much weaker than covalent bonds. 
D) Individual hydrogen bonds in liquid water exist for many seconds and sometimes 
for minutes. 
E) The strength of a hydrogen bond depends on the linearit...
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BTEC Applied Science Chemistry Practice Questions and Answers
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How many electrons can each orbital hold? Two 
 
How many electrons can be held in each sub shell? S - 2 
P - 6 
D - 10 
F - 18 
 
Put the sub shells in order do their energy, lowest to highest S, p, d and f 
 
How do we fill the p and d subshells singly first and then doubly 
 
What is an orbital? A region of space around the nucleus where there is a 95% chances of finding an electron 
 
What is the Aufbau principle? An electron occupies the lowest-energy orbital that can receive it 
 
What ha...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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IB Chemistry SL PASSED Exam Questions and CORRECT Answers
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first ionization energy - Ans the energy required to remove the first electron from an atom 
Why do first ionisation energies increase across a period? - Ans The number of protons 
increase with the same number of shielding shells 
Why do melting points decrease down a group? - Ans The ionic/atomic radius increase and 
there is a smaller charge density. 
State an equation for the reaction of phosphorus (V) oxide, P4O10 (s), with water. - Ans 
P4O10 (s) + 6H2O (l) → 4H3PO4 (aq
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Honors Chemistry: Periodic Trends Guaranteed Success
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Honors Chemistry: Periodic Trends Guaranteed Success - Atomic Radius: 
️ Half the distance between two identically bonded atoms. - Ionic Radius: 
️ The radii of the most commonly found ion of the element. - First Ionization Energy: 
️ The energy required to remove one electron from a neutral atom of an element. - Electron Affinity: 
️ The energy change that occurs when an electron is acquired by a neutral atom. - Number of Valence Electrons: 
️ The electrons that are ava...
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Inorganic Chemistry Exam With 100% Correct Answers
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Inorganic Chemistry Exam With 100% 
Correct Answers 
Trends in atomic radius in period 3 - answerAtomic radius decreases from Na to Cl, nuclear 
charge increases, electrons are added to the same shell so nuclear attraction increases pulling 
the shells in 
Why can't atomic radius be measured for argon? - answerArgon exists as single atoms 
(monoatomic) and does not form any bonds 
best electrical conductor - answerAluminium as it has 3 delocalised electrons 
Sodium flame colour - answeryellow 
...
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