Advertisements
Advertisements
Question
In which block of the modern periodic table are the nonmetals found?
Options
s-block
p-block
d-block
f-block
Advertisements
Solution
In p-block of the modern periodic table are the nonmetals found.
APPEARS IN
RELATED QUESTIONS
An element X is in group 2 of the periodic table What will be the formula of its chloride?
An element X is in group 2 of the periodic table what will be the formula of its oxide?
An element Y is in second period and group 16 of the periodic table:
(i) Is it a metal or non-metal?
(ii) What is the number of valence electrons in its atom?
(iii) What is its valency?
(iv) What is the name of the element?
(v) What will be the formula of the compound formed by Y with sodium?
An element A has an atomic number of 6. Another element B has 17 electrons in its one neutral atom.
(a) In which groups of the periodic table would you expect to find these elements?
(b) what type of bond is formed between A and B?
(c) Suggest a formula of the compound formed between A and B.
An element X from group 2 reacts with element Y from group 16 of the periodic table.
(a) What is the formula of the compound formed?
(b) What is the nature of bond in the compound formed?
A metal X is in the first group of the periodic table. What will be the formula of its oxide?
Write the names and symbols of two very reactive metals belonging to group 1 of the periodic table. Explain by drawing electronic structure, how either one of the two metals reacts with a halogen. With which name is the bond formed between these elements known and what is the class of the compound so formed known? State any four physical properties of such compounds.
The non-metal A is an important constituent of our food and most of the fuels around us. A forms two oxides B and C. The oxide B is poisonous whereas oxide C causes global warming.
(a) Identify A, B and C.
(b) To which group of periodic table does A belong?
(c) Name another element which is placed in the same group as A.
Write the name.
The atom having smallest atomic radius from group 1.
The basis of the classifications proposed by Dobereiner, Newlands and Mendeleev was ______.
If the distance between two Cl atoms in a Cl2 molecule is 1.98Å, then the radius of the Cl atom is ______.
Moseley’s periodic table is based on atomic mass.
Identify the bond between H and F in the HF molecules.
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?
Which one of the following does not increase while moving down the group of the periodic table?
An element with the atomic number 40 is placed in the period.
Complete the following table:
| Symbol | Atomic No | Electronic Configuration | |
| 1. | He | 2 | ______ |
| 2. | Ne | ______ | 2,8 |
| 3. | Ar | ______ | 2, 8,8 |
| 4. | Na | 11 | ______ |
Identify the following:
An element in Period 1 which can be placed in both Group 1 and Group 17 of the Periodic Table.
