Advertisements
Advertisements
प्रश्न
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
पर्याय
Metal
Metalloid
Non-metal
Left-hand side element
उत्तर
Metalloid
Explanation -
As the atomic number of the given element is 14 so, the element is silicon. Element silicon is a metalloid.
APPEARS IN
संबंधित प्रश्न
Compare and contrast the arrangement of elements in Mendeleev’s periodic Table and the Modern Periodic Table.
Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
Fill in the following blank with suitable word:
Group 1 elements are called ...............
What is a period in a periodic table?
An element X belongs to 3rd period and group 2 of the periodic table. State:
(a) number of valence electrons
(b) valency
(c) metal or non-metal
(d) name of the element
Give the group number of following elements present in periodic table
Name the cation and the anion in the salt – calcium sulphate
Give the chemical formula of carbonic acid
Complete the following flow chart.
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
