Periodic Table Questions
Which of the following represents the correct increasing order of metallic character of the given elements?
From the following atomic numbers, the elements belonging to the same group is;
If the value of principle quantum number is same, then penetration power of orbitals increases in the order;
The correct statement about ionisation energies of Cu and Zn is;
Given below are two statements: Statement I: When size of atom decreases, the force of attraction between the nucleus and valence electrons decreases. Statement II: On moving down the group, ionization enthalpy increases. In the light of the above st
In which of the following pairs, the ionisation energy of the first species is less than that of the second?
The atomic masses of Li and K are 7 and 39, respectively. According to law of triads, the atomic mass of Na will be;
Which of the following is the correct increasing order of the ionisation enthalpies of the given second period elements?
Which of the following is not representative element?
The f-block elements belongs to which group of the periodic table?
Lithium shows a diagonal relationship with;
Which of the following elements has the highest value of electronegativity?
Which of the following species of Mn has lowest electronegativity?
The correct order of ionic radii among the following species is;
Modern periodic table is based on the atomic number of the elements. The experiment which proved the significance of atomic number was;
Which of the following elements is Eka-aluminium?
From the following pairs of ions which one is not an iso-electronic pair?
The electronic configuration for manganese is;
An element belongs to 3rd period and group -13 of the periodic table. Which of the following properties will be shown by the element?
Element with atomic number 10 belongs to;
Which of the following electronic configuration of an atom has the lowest ionization enthalpy?
Which of the following pair of elements belongs to the same period?
Match List-I with List-II. List-I (A) Most electronegative element (B) The element having highest electron affinity (C) The element having lowest ionisation enthalpy (D) The element having highest ionisation enthalpy List-II (I) Chlorine (II) Cesium
Pauling’s electronegativity values for element are useful in predicting;
In the periodic table, the basic character of oxides;
Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Atomic radius of gallium is higher than that of aluminium. Reason R: The presence of additional 10 d-electrons offer poor screening effe
Choose the incorrect match from the following.
The correct decreasing order of metallic character is;
The atomic number of three elements A, B and C are a, a +1 and a + 2, C is an alkali metal in compound of A and C, the nature of bonding is;
Among the following which one has highest ionisation energy?
Given below are two statements: Statement I: Helium and beryllium have similar outer electronic configuration of the type ns². Statement II: Both helium and beryllium are chemically inert. In the light of the above statements, choose the most appropr
Which of the following properties of group 16 elements show decreasing trend down the group? A. Atomic radius B. Ionisation enthalpy C. Electronegativity Choose the most appropriate answer from the options given below:
Match List-I with List-II. List-I (Atomic number) (A) 101 (B) 87 (C) 105 (D) 116 List-II (block) (I) s-block (II) p-block (III) d-block (IV) f-block Choose the correct answer from the options given below:
The correct decreasing order of second ionisation potential of carbon, nitrogen, oxygen and fluorine is;
Given below are two statement: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Na+ and Al3+ are isoelectronic but the magnitude of ionic radius of Al3+ is less than that of Na+. Reason R: The magnitude of effective
The element ununoctium belongs to the;
The single bond covalent radius of P is 0.11 nm. The single bond covalent radius of Cl will be;
Mendeleev’s periodic law states that the properties of elements are a periodic function of their;
Which one of the following is the reason behind fluorine having lower electron affinity than chlorine?
Successive ionisation energies of an element X are given below (in Kcal) IP1 = 165, IP2 = 195, IP3 = 556, IP4 = 595 Electronic configuration of the element X is:
If an element X has the group number 16 and the period number 4. Then the atomic number of X is;
From the following atomic numbers, the elements belonging to the same group is;
Given below are two statements: Statement I: When size of atom decreases, the force of attraction between the nucleus and valence electrons decreases. Statement II: On moving down the group, ionization enthalpy increases. In the light of the above st
The atomic masses of Li and K are 7 and 39, respectively. According to law of triads, the atomic mass of Na will be;
Given below are two statements : Statement I: An element in the extreme left of the periodic table forms acidic oxides. Statement II: Acid is formed during the reaction between water and oxide of a reactive element present in the extreme right of the
The f-block elements belongs to which group of the periodic table?
Which of the following is the correct order of second ionisation potential?
How many elements are there in 6th period of periodic table?
The electronic configuration for manganese is;
Element with atomic number 10 belongs to;