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Indian Navy AA (Artificer Apprentice) The Periodic Table — practice questions

Explore 29 free The Periodic Table questions in Indian Navy AA (Artificer Apprentice) Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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The Periodic Table questions and exercises with answers

Showing questions 1–29 of 29.

Which of the following arrangements is in correct order of increasing electronegativity (Pauling scale)?Read the answer and worked solution →As per your syllabus, the IUPAC OFFICIAL name + symbol for Z = 104 is which?Read the answer and worked solution →As per your syllabus, predicting the formula formed by SILICON (Group 14) and BROMINE (Group 17) gives which compound?Read the answer and worked solution →Sodium (atomic number 11) belongs to which group and period?Read the answer and worked solution →Which of the following elements will form an acidic oxide?Read the answer and worked solution →Match each scientist to their contributionRead the answer and worked solution →Ionic or covalent?Read the answer and worked solution →Complete the driver of bond formationRead the answer and worked solution →Single, double and triple bondsRead the answer and worked solution →True or false: Lewis structuresRead the answer and worked solution →Complete the definition of resonanceRead the answer and worked solution →Tap every bond parameter the chapter namesRead the answer and worked solution →True or false: ionic solidsRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Bonded pair or lone pair?Read the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Order the reasoning: why resonance is neededRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →True or false: what bond parameters affectRead the answer and worked solution →Bond parameters in useRead the answer and worked solution →Which parameter answers this?Read the answer and worked solution →True or false: resonanceRead the answer and worked solution →Order the steps: draw a Lewis structureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: structureRead the answer and worked solution →Flip and pair: parameter with what it measuresRead the answer and worked solution →

Worked practice questions

Which of the following arrangements is in correct order of increasing electronegativity (Pauling scale)?

  1. F < O < N < C
  2. N < C < O < F
  3. C < N < O < F
  4. O < F < N < C
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Correct answer: C. C < N < O < F

Electronegativity increases across a period and decreases down a group. The Pauling-scale values for period 2 nonmetals: - C: 2.55 - N: 3.04 - O: 3.44 - F: 3.98 (highest of any element) So the correct ascending order is **C < N < O < F**. Option A reverses everything. Option C breaks the trend by putting F before O. Memory aid: "FONClBrISCHP" is the electronegativity ladder from highest to lowest among common nonmetals (F first, P last among this set).

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As per your syllabus, the IUPAC OFFICIAL name + symbol for Z = 104 is which?

  1. Kurchatovium, Ku
  2. Dubnium, Db
  3. Rutherfordium, Rf
  4. Seaborgium, Sg
Show answer and solution

Correct answer: C. Rutherfordium, Rf

As per your syllabus, Z=104 is Rutherfordium (Rf). Kurchatovium was the Soviet rival name. 105 = Db, 106 = Sg.

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As per your syllabus, predicting the formula formed by SILICON (Group 14) and BROMINE (Group 17) gives which compound?

  1. SiBr₄
  2. Si₂Br
  3. SiBr₂
  4. SiBr
Show answer and solution

Correct answer: A. SiBr₄

As per your syllabus, Si valence = 4, Br valence = 1 ⇒ SiBr₄.

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Chemical EquilibriumAlcohols Phenols EthersAlkenesOrganic ChemistryPolymersAtoms and MoleculesClassification of ElementsS Block Elements