Advertisements
Advertisements
Question
Give the symbol and valency of the following element and radical.
Calcium
Advertisements
Solution
| Element/Radical | Symbol | Valency |
| Calcium | Ca | two |
APPEARS IN
RELATED QUESTIONS
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
What is the number of elements in the 3rd period, of the modern periodic table?
In the Modern Periodic Table – atoms of all elements are arranged according to their increasing order of – atomic numbers. An atom of nitrogen has seven protons and seven electrons. State what would be its atomic number.
What are the elements.
Group 1 and 2 : s block : : group 13 and 18 : _______
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Element ‘X’ forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the periodic table as: ______
The amount of energy released when one or more electrons is added to the neutral atom is ______
Match the atomic number with the following:
An element of group 2.
