Advertisements
Advertisements
प्रश्न
Name two elements in halogens.
उत्तर
Chlorine and bromine.
संबंधित प्रश्न
Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
How does the metallic character of elements in Modern Periodic Table vary on moving from left to right in a period, and (ii) down a group?Give reason to justify your answer.
Fill in the following blank with suitable word:
The basis for modern periodic table is ...............
What is a period in a periodic table?
What is the usual number of valence electrons and valency of group 18 elements of the periodic table?
Give the group number of following elements present in periodic table
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
The element which has the least tendency to lose electrons is ______
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?
Name the non-metals in the first twenty elements.
