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Indian Navy SSR (Sailor) p-Block Elements (Groups 15-18) — practice questions

Explore 54 free p-Block Elements (Groups 15-18) questions in Indian Navy SSR (Sailor) Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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p-Block Elements (Groups 15-18) questions and exercises with answers

Showing questions 1–30 of 54.

As per your syllabus, in IUPAC systematic nomenclature for Z > 100, what are the digit roots for 1, 2 and 0 respectively?Read the answer and worked solution →Mendeleev arranged elements primarily in order of:Read the answer and worked solution →Which of the following elements would lose an electron easily?Read the answer and worked solution →Three elements B, Si and Ge areRead the answer and worked solution →Order the atomic models as they were proposedRead the answer and worked solution →Match each scientist to their modelRead the answer and worked solution →Match each model to what it could NOT explainRead the answer and worked solution →True or false: Rutherford's modelRead the answer and worked solution →True or false: Bohr's modelRead the answer and worked solution →Complete the reason Bohr's model failsRead the answer and worked solution →Which model does this belong to?Read the answer and worked solution →Match each quantum number to what it is calledRead the answer and worked solution →True or false: the quantum mechanical modelRead the answer and worked solution →Order the structure: from atom down to electronRead the answer and worked solution →Complete the (n + l) ruleRead the answer and worked solution →True or false: orbital energiesRead the answer and worked solution →Match each rule to what it forbids or requiresRead the answer and worked solution →Tap every statement Hund's rule requiresRead the answer and worked solution →The fundamental particlesRead 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 →Which principle is being described?Read the answer and worked solution →Flip and pair: symbol with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Tap every statement true of the Schrodinger modelRead the answer and worked solution →Reading the models backRead the answer and worked solution →Assertion and reason: filling orbitalsRead the answer and worked solution →True or false: shells and subshellsRead the answer and worked solution →Complete the two filling rulesRead the answer and worked solution →

Worked practice questions

As per your syllabus, in IUPAC systematic nomenclature for Z > 100, what are the digit roots for 1, 2 and 0 respectively?

  1. un (u), bi (b), nil (n)
  2. mono (m), di (d), null (nl)
  3. ek (e), do (d), shun (s)
  4. one (o), two (t), zero (z)
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Correct answer: A. un (u), bi (b), nil (n)

As per your syllabus, 0=nil(n), 1=un(u), 2=bi(b), …, 9=enn(e). Suffix '-ium' added.

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Mendeleev arranged elements primarily in order of:

  1. Atomic mass
  2. Atomic number
  3. Atomic radius
  4. Density
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Correct answer: A. Atomic mass

1. Mendeleev's periodic table predates the modern one. 2. He used the increasing atomic masses of the elements he knew. 3. He left gaps for undiscovered elements (eka-aluminium, eka-silicon, etc.). 4. Atomic number became the basis only after Moseley. 5. So the original Mendeleev arrangement used atomic mass. _Source: syllabus Science Ch 5 'Periodic Classification of Elements'_

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Which of the following elements would lose an electron easily?

  1. Mg
  2. Na
  3. K
  4. Ca
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Correct answer: C. K

This Periodic Classification of Elements item tests a core Chemistry concept. Correct answer: K. _Source: syllabus Exemplar Science Class 10_

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More Chemistry topics

Chemical EquilibriumOrganic ChemistryThe p-Block ElementsAlcohols Phenols EthersAtoms and MoleculesClassification of Elementsp-Block ElementsPolymers