Chemistry
Answer the following in respect of element . (i) Give its electronic configuration. (ii) To which group and period does it belong ? (iii) What is its valency ? (iv) Is it a metal or a non-metal ? (v) Is it a reducing agent or an oxidising agent ? (vi) Give its formula with hydrogen.
Related Questions
Name the type of elements, which have their
(i) outermost shell complete
(ii) outermost shell incomplete
(iii) two outermost shell incomplete
(iv) one electron short of octet
(v) two electrons in the outermost orbit.
An element has 2 electrons in its N shell.
(i) What is its atomic number ?
(ii) State its position in periodic table
(iii) Is it a metal or a non-metal ?
(iv) State the name assigned to this group.
(v) What is the valency of this element ?
Name
(a) An alkali metal in period 3 and halogen in period 2.
(b) The noble gas with 3 shells.
(c) The non-metals present in period 2 and metals in period 3.
(d) The element of period 3 with valency 4.
(e) The element in period 3 which does not form oxide.
(f) The element of lower nuclear charge out of Be and Mg.
The electronic configuration of the element T is 2, 8, 8, 1.
(i) What is the group number of T ?
(ii) What is the period number of T ?
(iii) How many valence electrons are there in an atom of T ?
(iv) What is the valency of T ?
(v) Is it a metal or a non-metal ?