Question

Elements P, Q and R have atomic numbers 12, 14 and 16 respectively. Which one of the following statements about these elements is correct?

Asked in Delhi Head Constable AWO TPO · 2025
Modern Periodic Table · Chemistry
Exam PYQ4 Options
ChemistryClassification of Elements and Periodicity in PropertiesModern Periodic TableClassification of elementsDelhi Head Constable AWO TPO2025
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Quick Revision

The modern periodic table arranges elements by increasing atomic number.

Correct AnswerCorrect option for this question
Option B — Q has two more protons than P and R has two more protons than Q

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Questions Asked from Modern Periodic Table: Groups, Periods & Blocks in Previous Exams

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15UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2021, 2022, 2023, 2024, 2026
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Modern Periodic Table: Groups, Periods & Blocks has appeared in 43 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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