The properties that have increasing values with an increase in atomic number for the elements of 1A are:
I. Ionization energy (potential)
II. Atomic radius
III. Atomic mass

I only

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III only

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I and II only

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II and III only

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I, II, and III

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Solution

The correct option is D II and III only
In elements of IA as we move down, the number of orbit increases, ie. in each step electrons added in the new orbit, hence atomic radius and atomic mass both increase.

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Similar questions

The elements which are in the left most of the periodic table have properties that have increasing values as atomic number increases include which of the following?

I.	Ionization energy (potential)
II.	Atomic radius
III.	Atomic mass

Question 4
Which of the following statement(s) about the Modern Periodic Table are incorrect?

(i) The elements in the Modern Periodic Table are arranged on the basis of their decreasing atomic number

(ii) The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic masses

(iii) Isotopes are placed in adjoining group (s) in the Periodic Table

(iv)The elements in the Modern Periodic Table are arranged on the basis of their increasing atomic number

(a) (i) only
(b) (i), (ii) and (iii)
(c) (i), (ii) and (iv)
(d) (iv) only

Q. Which of the following properties of halogens increases with the increasing atomic number?

(I) Ionization energy,

(II) Ionic radius,

(III) The bond energy of the

X_{2}

molecule,

(IV) Enthalpy of vaporisation.

Question 16
Which of the following are the characteristics of isotopes of an element?

(i) Isotopes of an element have same atomic masses
(ii) Isotopes of an element have same atomic number
(iii) Isotopes of an element show same physical properties
(iv) Isotopes of an element show same chemical properties

(a) (i), (iii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)

Q. Which of the following properties of the alkaline earth metals increase from Be to Ba? (i) Atomic radius (ii) ionization energy (iii) Electropositive character

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The properties that have increasing values with an increase in atomic number for the elements of 1A are:I. Ionization energy (potential)II. Atomic radiusIII. Atomic mass

The correct option is D II and III onlyIn elements of IA as we move down, the number of orbit increases, ie. in each step electrons added in the new orbit, hence atomic radius and atomic mass both increase.

The properties that have increasing values with an increase in atomic number for the elements of 1A are:
I. Ionization energy (potential)
II. Atomic radius
III. Atomic mass

The correct option is D II and III only
In elements of IA as we move down, the number of orbit increases, ie. in each step electrons added in the new orbit, hence atomic radius and atomic mass both increase.