Related InterviewSolutions

• What are the other names for elements of d-block and f-block?
• What trend is shown by following properties in the periodic table? (a) Atomic radius (b) Enthalpy of ionisation (c) Electronegativity
• 14 elements after actinium are called (a) Lanthanides (b) Actinides (c) d-block elements (d) p-blockelements
• An element has an atomic number of 15 with which of the following elements will it show similar chemical properties? (a) Be(4) (b) Ne(10) (c) N(7) (d) O(8)
• The group number and period number respectively of an element with atomic number 8 is (a) 6, 2 (b) 16, 2 (c) 6, 8 (d) 16,4
• An element belongs to period 2 and group 2 the number of valence electrons in the atoms of this element is (a) 2 (b) 4 (c) 3 (d) 1
• Fluorine (F) atomic number 9 and chlorine (Cl) atomic number = 17 are placed in group number 17, what are the number of valence electrons present in them.
• An element ‘A’ has atomic number 11, name the period and group number to which it belongs.
• An element ‘X’ belongs to II group and 2nd period. Write the atomic number and name of element.
• Why are noble gases placed in the separate group?