Advertisements
Advertisements
प्रश्न
State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
Advertisements
उत्तर
- Group 17 elements react with metals to form metal halides which are neutral in nature.
- Group 17 elements react with non-metals to form acidic compounds such as hydrogen halides.
APPEARS IN
संबंधित प्रश्न
The atomic masses of three elements A, B and C having similar chemical properties are 7, 23 and 39, respectively.
- Calculate the average atomic mass of elements A and C.
- Compare the average atomic mass with atomic mass of B.
- What could the elements A, B and C be?
The electrons in the atoms of four elements A, B, C and D are distributed in three shells having 1, 3, 5 and 7 electrons in the outermost shell respectively. State the period in which these elements can be placed in the modern periodic table. Write the electronic configuration of the atoms of A and D and the molecular formula of the compound formed when A and D combine.
How does the number of:
valence electrons and
Name the non-metals present in period 2 and metals in period 3.
Chorine in the periodic table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Which is more electronegative than chlorine?
Select the correct answer
Identify the metalloid
Arrange the following as per the instruction given in the bracket
He,Ar,Ne (Increasing order of the number of electron shells)
With reference to the variation of properties in the Periodic table, which of the following is generally true?
An element A has 2 electrons in its fourth shell. State:
its valency
The electronic configuration of an element is 2, 8, 4. State it:
name and write its one physical property.
