Chemistry-
General
Easy

Question

A reduction in atomic size with increase in atomic number is a characteristic of elements of

  1. high atomic masses    
  2. d-block    
  3. f-block    
  4. radioactive series    

The correct answer is: f-block


    This is a characteristic of f-block elements (lanthanoid contraction)

    Related Questions to study

    General
    physics

    A satellite moves in a circle around the earth, the radius of this circle is equal to one half of the radius of the moon's orbit the satellite completes one revolution in

    A satellite moves in a circle around the earth, the radius of this circle is equal to one half of the radius of the moon's orbit the satellite completes one revolution in

    physicsGeneral
    General
    physics

    Two satellites A and B go round a planet in circular orbits having rarely 4 R and  If the speed of satellite A is 3V, then speed of satellite B is

    Two satellites A and B go round a planet in circular orbits having rarely 4 R and  If the speed of satellite A is 3V, then speed of satellite B is

    physicsGeneral
    General
    chemistry-

    The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of

    The yellow coloured solution of salt of chromate ions change to orange colour on acidification due to the formation of

    chemistry-General
    parallel
    General
    physics

    A person sitting in a chair in a satellite feels weightless because

    A person sitting in a chair in a satellite feels weightless because

    physicsGeneral
    General
    physics

    The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours

    The time period of a satellite of earth is 5 hours If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become ...... Hours

    physicsGeneral
    General
    Maths-

    If A equals open square brackets table row 4 cell x plus 2 end cell row cell 2 x minus 3 end cell cell x plus 1 end cell end table close square brackets is symmetric then trace of A  is

    If A equals open square brackets table row 4 cell x plus 2 end cell row cell 2 x minus 3 end cell cell x plus 1 end cell end table close square brackets is symmetric then trace of A  is

    Maths-General
    parallel
    General
    chemistry-

    The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is

    The oxidation number of Mn in the product of alkaline oxidative fusion of MnO2 is

    chemistry-General
    General
    physics

    When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as

    When a satellite going round the earth in a circular orbit of radius r and speed v loses some of its energy, then r and v changes as

    physicsGeneral
    General
    maths-

    If f open parentheses x close parentheses equals vertical line log subscript 10 end subscript invisible function application x vertical line, then at x equals 1

    If f open parentheses x close parentheses equals vertical line log subscript 10 end subscript invisible function application x vertical line, then at x equals 1

    maths-General
    parallel
    General
    Maths-

    If open parentheses table row cell x minus 2 y end cell cell 5 y end cell row 6 cell a minus 2 b end cell end table close parentheses equals 5 open parentheses table attributes columnalign left end attributes row 4 2 row cell fraction numerator b over denominator 5 end fraction end cell 6 end table close parentheses then a + x =

    If open parentheses table row cell x minus 2 y end cell cell 5 y end cell row 6 cell a minus 2 b end cell end table close parentheses equals 5 open parentheses table attributes columnalign left end attributes row 4 2 row cell fraction numerator b over denominator 5 end fraction end cell 6 end table close parentheses then a + x =

    Maths-General
    General
    chemistry-

    Which of the following statements about the interstitial compounds is incorrect?

    Which of the following statements about the interstitial compounds is incorrect?

    chemistry-General
    General
    physics

    Potential energy of a satellite having mass m and rotating at a height of 6.4cross times 10 to the power of 6 m from the surface of earth

    Potential energy of a satellite having mass m and rotating at a height of 6.4cross times 10 to the power of 6 m from the surface of earth

    physicsGeneral
    parallel
    General
    Maths-

    The slant height of a cone is fixed as  7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm

    The slant height of a cone is fixed as  7 cm. If the rate of increase in its height is 0.3 cm/sec. Then the rate of increase in volume when the height is 4cm

    Maths-General
    General
    physics

    A satellite with K.E. EK is revolving round the earth in a circular orbit. How much more K.E. should be given to it so that it may just escape into outer space?

    A satellite with K.E. EK is revolving round the earth in a circular orbit. How much more K.E. should be given to it so that it may just escape into outer space?

    physicsGeneral
    General
    Maths-

    If A,B,C are the maximum velocities of the particles moving according to the law S equals 60 t minus 5 t to the power of 3 end exponent comma S equals 6 t minus fraction numerator 1 over denominator 2 end fraction t to the power of 3 end exponent comma S equals 10 t minus 7 t to the power of 3 end exponent respectively then the ascending order of A,B,C is

    If A,B,C are the maximum velocities of the particles moving according to the law S equals 60 t minus 5 t to the power of 3 end exponent comma S equals 6 t minus fraction numerator 1 over denominator 2 end fraction t to the power of 3 end exponent comma S equals 10 t minus 7 t to the power of 3 end exponent respectively then the ascending order of A,B,C is

    Maths-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.