A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?
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The elements A, B and C belong to groups 1, 14 and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
The elements A, B and C belong to groups 1, 14 and 17 respectively of the Periodic Table. Which two elements will form ionic compounds?
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is
Which one of the following statements is not correct about the trends in the properties of the elements of a period on going from left to right?
Which one of the following statements is not correct about the trends in the properties of the elements of a period on going from left to right?
What is the atomic number of element of period 3 and group 17 of the Periodic Table?
What is the atomic number of element of period 3 and group 17 of the Periodic Table?
What is the atomic number of element of period 3 and group 17 of the Periodic Table? Read More »
An atom of an element has the electronic confi-guration 2,8,2. To which group does it belong?
An atom of an element has the electronic confi-guration 2,8,2. To which group does it belong?
Element ‘X’ forms a chloride with the formula XCl2, which is a solid with high melting point. X would most likely be in the same group of the periodic table as
Element ‘X’ forms a chloride with the formula XCl2, which is a solid with high melting point. X would most likely be in the same group of the periodic table as
In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later?
In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later?