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Qormaata galuumsa kutaa 12ffaa Keemistirii, bara 2018 A.L.I (2026), maxxansa 4

Gaaffilee dhugaa qormaata galuumsa yunivarsiitii kutaa 12 kan Keemistirii, akkuma barattoonni bara 2018 A.L.I itti fudhatanitti. Tokkoon tokkoon gaaffii deebii sirrii fi ibsa qaba. Qormaanni bara 2018 A.L.I maxxansa adda addaatiin bahe. Fuulli kun maxxansa 4 qaba; kaan gadi aanee tarreeffamaniiru.

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  • 2018 A.L.I (2026), maxxansa 4

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  • Gaaffilee 75 deebii waliin

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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

Modern atomic theory contradicts Dalton's atomic theory in stating that:

  1. A.When elements combine, their atoms unite in small whole number ratio to form compound.
  2. B.All substances are made up of very small particles called atoms.
  3. C.Atoms of different elements have different properties.
  4. D.Atom can split into smaller particles.
Deebii fi ibsa ilaalaa

Deebii: D Atom can split into smaller particles.

Maaliif

Dalton's atomic theory stated that atoms are indivisible, whereas modern atomic theory shows that atoms can be split into subatomic particles (protons, neutrons, and electrons) and undergo nuclear division.

Gaaffii 2

The atomic nucleus was discovered with the help of an experiment called:_____.

  1. A.The deflection of cathode ray experiment.
  2. B.The Alpha particles scattering experiment.
  3. C.The discharge tube experiment.
  4. D.The oil drop experiment.
Deebii fi ibsa ilaalaa

Deebii: B The Alpha particles scattering experiment.

Maaliif

Ernest Rutherford discovered the atomic nucleus through his famous alpha-particle scattering experiment, where he bombarded thin gold foil with alpha particles.

Gaaffii 4

Which experiment provide evidence that atom is mostly empty space and led to the discovery of the atomic nucleus?

  1. A.Millikan's oil drop experiment
  2. B.Bohr's hydrogen atom experiment
  3. C.Rutherford's gold foil experiment
  4. D.Thomson's cathode ray tube experiment
Deebii fi ibsa ilaalaa

Deebii: C Rutherford's gold foil experiment

Maaliif

Rutherford's gold foil experiment showed that most alpha particles passed straight through the foil, indicating that the atom is mostly empty space, while a few were deflected at large angles by a dense, positively charged nucleus.

Gaaffii 5

An element has electron configuration of [Kr]5s²4d⁴. To which group and period respectively does the element belong in the Modern periodic table?

  1. A.Group IVB and period 4
  2. B.Group IIB and period 5
  3. C.Group VB and period 6
  4. D.Group VIB and period 5
Deebii fi ibsa ilaalaa

Deebii: D Group VIB and period 5

Maaliif

The highest principal quantum number is 5, indicating that the element is in Period 5. The sum of the outer s and d electrons is 2 + 4 = 6, which places it in Group VIB (Group 6) of the transition metals.

Gaaffii 6

The characteristic similarities of elements in the same period is:

  1. A.They all have the same electron configuration
  2. B.They all have the same valence electrons
  3. C.They all have the same number of energy level
  4. D.They all have similar chemical properties
Deebii fi ibsa ilaalaa

Deebii: C They all have the same number of energy level

Maaliif

Elements in the same period of the periodic table have their valence electrons in the same outermost energy level (or shell), meaning they have the same number of energy levels.

Gaaffii 7

Which One of the following statement is not true about Mendeleev's periodic table?

  1. A.Arranged elements in order of increasing atomic masses
  2. B.It was proposed in 1869 and predicted many new elements
  3. C.Wrong order of atomic masses would be observed
  4. D.The position of isotopes and noble gases are available
Deebii fi ibsa ilaalaa

Deebii: D The position of isotopes and noble gases are available

Maaliif

Mendeleev's periodic table did not have designated positions for isotopes (which were undiscovered at the time and would disrupt the order by atomic mass) or noble gases (which were only discovered and added later).

Qormaata guutuu PDF dhaan buufadhaa

Gaaffilee 75 kuusaa kana keessa jiran hunda akka waraqaa qormaataa maxxanfameetti, furtuu deebii ibsa 75 waliin immoo akka faayilii lammaffaatti. Maxxansaa yookiin daataa malee dubbisaa.

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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 2018 A.L.I

2018 A.L.I (2026)2018 A.L.I (2026), maxxansa 12018 A.L.I (2026), maxxansa 2

Qormaatilee Keemistirii kan waggoota biroo

2017 A.L.I (2025)2017 A.L.I (2025), marsaa 12017 A.L.I (2025), maxxansa 22016 A.L.I (2024)2016 A.L.I (2024), TigraayFakkeenyaa, bara 2016 A.L.I2015 A.L.I (2023)2014 A.L.I (2022)2013 A.L.I (2021)2012 A.L.I (2020)2011 A.L.I (2019)2010 A.L.I (2018)2009 A.L.I (2017)2008 A.L.I (2016)2007 A.L.I (2015)2006 A.L.I (2014)2005 A.L.I (2013)

Qormaatilee kana fakkaatan dabalataa

Qormaatilee Keemistirii kutaa 12ffaa hundaQormaatilee bara 2018 A.L.I hundaGosa barnootaa fi bara hunda

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 2018 A.L.I ti?

Eeyyee. Qormaata galuumsa yunivarsiitii biyyaalessaa kan Keemistirii barattoonni bara 2018 A.L.I (2026) fudhatan irraa fudhataman. Kuusaan keenya gaaffilee isaa 75 qaba; tokkoon tokkoon isaanii deebii fi ibsa gara kitaaba barnootaatti qajeelchu qabu.

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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.

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