Flash Education

Question

Identify : The element which has the highest ionization potential.

Periodic Table

Chemistry, Class 10, ICSE, J Dalal

July 25, 2024

Answer

Helium has highest ionization potential.

Was this answer helpful?

Group numbers	1 – IA	2 – IIA	13 – IIIA	14 – IVA	15 – VA	16 – VIA	17 – VIIA	18 – 0
2nd period	Li		D			O	J	Ne
3rd period	A	Mg	E	Si		H	M
4th period	R	T	I		Q	u		y

</br>In the above table, H does not represent hydrogen. </br>Some elements are in their own symbol and position in the periodic table, while others are shown with a letter. </br>Identify : </br>(i) The most electronegative element. </br>(ii) The most reactive element of group I. </br>(iii) The element from period 3 with least atomic size. </br>(iv) The noble gas of the fourth period. </br>(v) How many valence electrons are present in Q. </br>(vi) Which element from group 2 would have the least ionization energy? </br>(vii) In the compound between A and H, what type of bond is formed and give it’s molecular formula.

NextIonization potential increases over a period from left to right because the:
(a) Atomic radius and nuclear charge increases
(b) Atomic radius and nuclear charge decreases
(c) Atomic radius increases and nuclear charge decreases
(d) Atomic radius decreases and nuclear charge increasesNext

Didn't liked the above answer ?

Text Generation Tool

💡 Some Related Questions

Periodic table

Arrange the following elements as per the guidelines in brackets.
(a) Na, Cl, Mg, P [in decreasing order of atomic size]
(b) C, Li, F, N [in increasing order of electronegativity]
(c) Cl, Al, Na, S [in increasing order of ionization potential]
(d) Li, F, C, O [in increasing order of electron affinity]
(e) Ar, He, Ne [in increasing order of number of electron shells]

Periodic table

Give reasons for the following:
If combining atoms have nearly similar electronegativities the bond between them is covalent.

Periodic table

Give reasons for the following:
Down a group electronegativity should increase with increase in nuclear charge but it is seen that the electronegativity decreases.

Periodic table

Give reasons for the following:
Atomic size of an element depends on the nuclear charge of that element.

Periodic table

Give reasons for the following:
Properties of elements are periodic functions of their atomic numbers and not atomic weights.

Periodic table

Give reasons for the following:
Occurrence of characteristic properties of elements takes place at definite intervals in the modern periodic table.

Periodic table

Match the elements in column ‘X’ with the correct group they belong from column ‘Y’

X Y

1: Element with atomic number 19 A: Group 18 [0 group]

2: Element with electronic configuration 2 B: Group 16 [VI A]

3: Element with a valency of -2 C: Group 1 [IA]

4: Element ‘P’ which loses 3 electrons to form a cation D: Group 17 [VII A]

5: Element ‘Q’ in period-3 which has the highest electron affinity E: Group 13 [III A]

Periodic table

With reference to group 1 [IA] of the periodic table – fill in the blanks with the correct word:
The elements are …………… [light/heavy] …………… [metals/non metals] since their atomic size is …………… [large/small]. The energy binding the atoms is …………… [high/low] and hence the elements have …………… [high/low] melting points. The melting points of the elements …………… [increases/decreases] down the subgroup. The electropositive character …………… [increases/decreases] down the subgroup and the elements are strong …………… [reducing/oxidizing] agents. The element with electronic configuration 2, 8, 1 will have …………… [higher/lower] electron affinity and …………… [smaller/larger] atomic size than the element with electronic configuration 2, 1.

Periodic table

With reference to period 3 of the periodic table — State :
(a) The type of bonding of the element with electronic configuration 2, 8, 7.
(b) The formula of the chloride of the element with electronic configuration 2, 8, 4.
(c) The nature of the oxide of the alkaline earth metal in the period.
(d) The number of electrons in the penultimate shell of the element with valency -1.
(e) The electronic configuration of the element whose hydroxide is a weak base.

Periodic table

In period 2, element ‘A’ is to the right of element ‘B’
(a) The element ‘A’ would probably have a …………… [smaller/larger] atomic size than ‘B’.
(b) The element ‘B’ would probably have …………… [lower/higher] ionization potential than ‘A’.
(c) The element ‘A’ would have …………… [lesser/higher] electron affinity than ‘B’.
(d) Nuclear charge of element ‘B’ would be …………… [less/more] than element ‘A’.
(e) If an element ‘C’ had a low electronegativity and ionization potential it would have more tendency to …………… [gain/lose] electrons.

error: Content is protected !! 💀