CBSE Class 11 (Science) p-Block Elements — practice questions
66 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 (Science) p-Block Elements in the app →As per your syllabus, the MODERN periodic law (post-Moseley 1913) states that properties of elements are a perAs per your syllabus, the IUPAC system numbers the groups in the modern table from which range, replacing the As per your syllabus, in IUPAC systematic nomenclature for Z > 100, what are the digit roots for 1, 2 and 0 reAs per your syllabus, the IUPAC systematic name + symbol for the element with atomic number 120 are which?As per your syllabus, the IUPAC OFFICIAL name + symbol for Z = 104 is which?As per your syllabus, the FIRST IONISATION ENTHALPY of an element X represents which process?As per your syllabus, the ELECTRON GAIN ENTHALPY ΔₑgH represents enthalpy change for which reaction?As per your syllabus, predicting the formula formed by SILICON (Group 14) and BROMINE (Group 17) gives which cHow many valence electrons does each group 13 element have?Which collective name is used for group 13 elements?Which group 13 element is a metalloid rather than a metal?Compounds of boron with hydrogen are calledAluminium oxide, Al2O3, is classed asWhich group 13 oxide is the most basic?Group 13 halides usually have the general formulaWhich group 13 element is not soft?Stability of the +1 state in heavy group 13 elements is due toIn boron and aluminium, the most stable oxidation state isThe two stable isotopes of boron areThallium is named after the colour of its spectral line, which isIndium was named after a spectral line of which colour?Gallium is named after which country?The name boron comes from the word for which mineral?The main ore of aluminium isAluminium's rank by abundance among all elements in the crust isBorosilicate glass is valued mainly for itsWhich gallium compound is used in semiconductors and solar cells?Thallium sulfate has been used mainly as aA noticeable effect of thallium poisoning, even at tiny doses, isAluminium's high affinity for oxygen makes it a powerfulWhich group 13 element was discovered in 1875?Group 14 alkyls of formula QR4 are described asWhich carbon group element sublimes at standard pressure?Down group 14, boiling points generallyWhich group 14 element has the highest density?Silicon and germanium crystallise in which structure?Which carbon allotrope has its atoms folded into a sphere?In tin pest, cold beta-tin slowly changes intoBelow about what temperature does beta-tin convert to alpha-tin?The half-life of carbon-14 is aboutWho isolated germanium after the 1885 mineral find?The name silicon comes from Latin silex, meaningThe chemical symbol Pb for lead comes from the Latin wordBronze is an alloy of copper andAbout 80% of all lead produced is used inWhich lead compound was once added to gasoline?The most commonly mined ore of lead isTin is produced by heating its mineral cassiterite withSilicon can be produced by heating silica withWhich element replaced germanium in semiconductors in the 1950s?Diatoms build their cell walls fromAdding a little germanium to silver makes the silverCrystalline silicon at room temperature appearsThe word halogen meansIn IUPAC numbering, the halogens form groupWhich group has elements in all three main states at STP?Astatine is usually produced by alpha bombardment ofThe Greek root of the name bromine refers toWhich is the only element more electronegative than oxygen?Fluorine forms strong bonds to other atoms but weak bonds inWhich hydrogen halide forms hydrogen bonds?Which hydrohalic acid is a weak acid in water?Humans need trace iodine to make the hormoneThe active ingredient of most fabric bleaches isTennessine was made by bombarding berkelium-249 withThe high reactivity of halogens is mainly due to their