Advertisements
Advertisements
Question
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
Advertisements
Solution
Carbon tetrachloride (CCl4)
APPEARS IN
RELATED QUESTIONS
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
What is the number of valence electrons in the atoms of first elements in a period?
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
What will be the formula of its phosphate?
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.
Give the symbol and valency of the following element and radical.
Sulphite
Give the chemical formula of sodium nitrate
p-block is composed of groups 1 and 2.
The three elements A, B and C with similar properties have atomic masses X, Y and Z respectively. The mass of Y is approximately equal to the average mass of X and Z. What is such an arrangement of elements called as? Give one example of such a set of elements.
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
Name two elements that you would expect to show chemical reactions similar to calcium. What is the basis of your choice?
