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Qormaata galuumsa kutaa 12ffaa Keemistirii, bara 2016 A.L.I (2024), Tigraay

Gaaffilee dhugaa qormaata galuumsa yunivarsiitii kutaa 12 kan Keemistirii, akkuma barattoonni bara 2016 A.L.I itti fudhatanitti. Tokkoon tokkoon gaaffii deebii sirrii fi ibsa qaba. Kun qormaata bara 2016 A.L.I Tigraay keessatti kennamedha. Qormaatileen biroo bara sanaa gadi aanee tarreeffamaniiru.

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  • 2016 A.L.I (2024), Tigraay

    Bara qormaataa

  • Gaaffilee 71 deebii waliin

    Kuusaa kana keessa

Gaaffilee qormaata kanaa yaalaa

Deebii banuun dura tokkoon tokkoon gaaffii ofii keessaniin deebisaa. Ibsi gara kutaa kitaaba barnootaa sirriitti waan qajeelchuuf, yeroo gaaffii dogoggortan fuula kam irra deebi'uu akka qabdan ni beektu.

Gaaffii 1

The number of significant figures obtained by addition of 300.53 and 2.507 is:

  1. A.7
  2. B.5
  3. C.6
  4. D.4
Deebii fi ibsa ilaalaa

Deebii: B 5

Maaliif

When adding numbers, the result must be rounded to the same number of decimal places as the measurement with the fewest decimal places. Adding 300.53 (two decimal places) and 2.507 (three decimal places) gives 303.037, which rounds to 303.04, containing 5 significant figures.

Gaaffii 2

Digits that make measurements certain plus one of uncertain values are known as _____.

  1. A.scientific notation
  2. B.decimal places
  3. C.significant figures
  4. D.conversion factors
Deebii fi ibsa ilaalaa

Deebii: C significant figures

Maaliif

Significant figures are defined as the digits in a measured value that are known with certainty plus one final digit that is uncertain or estimated.

Gaaffii 3

Which one of the following is the CORRECT description of uncertainty in measurements? It is used that exact number is

  1. A.whose values are known exactly
  2. B.accurate number
  3. C.certain number
  4. D.whose values known inexactly
Deebii fi ibsa ilaalaa

Deebii: A whose values are known exactly

Maaliif

Exact numbers are those whose values are known exactly, such as counted values (e.g., 12 eggs in a dozen) or defined quantities, and they have zero uncertainty.

Gaaffii 4

The spontaneous emission of high-energy radiation and particles is said to be:

  1. A.Radioisotope
  2. B.Radioactive decay
  3. C.Radioactivity
  4. D.Radioactive radiation
Deebii fi ibsa ilaalaa

Deebii: C Radioactivity

Maaliif

Radioactivity is defined as the spontaneous emission of high-energy radiation and particles from unstable atomic nuclei.

Gaaffii 5

"Both the position and the momentum of an electron in atom cannot be determined at the same time", this is the statement of the:

  1. A.Bohr's theory
  2. B.de-Broglie's statement
  3. C.Planck's theory
  4. D.Heisenberg's uncertainty principle
Deebii fi ibsa ilaalaa

Deebii: D Heisenberg's uncertainty principle

Maaliif

Heisenberg's uncertainty principle states that it is fundamentally impossible to determine simultaneously both the exact position and momentum of a subatomic particle like an electron.

Gaaffii 6

Which of the following is CORRECT according to Hund's rule?

  1. A.The lowest energy electron configuration for degenerate orbitals is the one with the maximum number of unpaired valence electrons
  2. B.No two electrons in a multi-electron atom have the same set of four quantum numbers; principal, secondary, magnetic and spin
  3. C.The most stable atomic structures are those in which the electrons are in the lowest energy orbitals available
  4. D.Electrons in an atom move in a circular orbits called stationary states and have a dual nature, particle and wave
Deebii fi ibsa ilaalaa

Deebii: A The lowest energy electron configuration for degenerate orbitals is the one with the maximum number of unpaired valence electrons

Maaliif

According to Hund's rule, for degenerate orbitals, the lowest energy (most stable) electron configuration is the one with the maximum number of unpaired electrons with parallel spins.

Qormaata guutuu PDF dhaan buufadhaa

Gaaffilee 71 kuusaa kana keessa jiran hunda akka waraqaa qormaataa maxxanfameetti, furtuu deebii ibsa 71 waliin immoo akka faayilii lammaffaatti. Maxxansaa yookiin daataa malee dubbisaa.

Bilisa; herregas hin gaafatu.

Qormaata guutuu sa'aatiin daangeffamee hojjedhaa

Herregni Temari bilisaa qormaata Keemistirii guutuu fi kan waggoota biroo hunda qormaatilee fakkeenyaa sa'aatiin daangeffaman godhee qabxii battalumaa waliin isiniif kenna. Bilbila kamiyyuu irratti, walitti hidhamiinsa laafaa irrattillee ni hojjeta.

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Qormaatilee Keemistirii biroo bara 2016 A.L.I

Qormaata kana taa'uu dura Keemistirii qayyabadhu

Yaadannoon gabaabaan Keemistirii kutaa 12 kaardii 22 qaba. Tokkoon tokkoon boqonnaa boqonnaadhaan kitaaba biyyaalessaa irraa qophaa'ee seericha, mallattoowwan isaa maal bakka akka bu'an fi dogoggora qabxii nama dhabsiisu ni ibsa.

Yaadannoo Keemistirii bani
Kunneen gaaffilee dhugaa qormaata galuumsa Keemistirii bara 2016 A.L.I ti?

Eeyyee. Qormaata galuumsa yunivarsiitii biyyaalessaa kan Keemistirii barattoonni bara 2016 A.L.I (2024) fudhatan irraa fudhataman. Kuusaan keenya gaaffilee isaa 71 qaba; tokkoon tokkoon isaanii deebii fi ibsa gara kitaaba barnootaatti qajeelchu qabu.

Qormaata guutuu akkamittan shaakala?

Lakkoofsa bilbilaatiin herrega bilisaa banadhaa. Qormaatichi guutuun qormaata fakkeenyaa sa'aatiin daangeffame ta'ee qabxii battalumaa kenna; fooyya'iinsi gargaaraa AI ji'atti qarshii 199 kan ta'e waan isin jalaa darbe hunda isinii ibsa.

Qormaata Keemistirii bara 2016 A.L.I PDF dhaan buufachuu nan danda'aa?

Eeyyee; bilisas. Waraqaan gaaffii faayilii tokko, furtuun deebii ibsa isaa waliin immoo faayilii biraa ti; kanaaf qormaata dursitanii yaaluu dandeessu. Maxxansaa, yookiin yeroo daataan hin jirre irra deebiif bilbila keessan irratti kaa'adhaa.

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