Advertisements
Advertisements
Question
State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
Advertisements
Solution
- 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
RELATED QUESTIONS
An element 'X' belong to 3rd period and group 13 of the Modern Periodic Table.
(a) Determine the valence electrons and the valency of 'X'.
(b) Molecular formula of the compound formed when 'X' reacts with an element 'Y' (atomic number = 8).
(c) Write the name and formula of the compound formed when 'X' combines with chlorine
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the periodic table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?
The atomic radii of three elements X, Y and Z of a period of the periodic table are 186 pm; 104 pm and 143 pm respectively. Giving a reason, arrange these elements in the increasing order of atomic numbers in the period.
How does the size of atoms (atomic size) generally vary in going from left to right in a period of the periodic table? Why does it vary this way?
In which part of a group would you separately expect the elements to have the largest atomic size?
State the number of elements in periods 1, Periods 2, and Period 3 of the periodic table. Name them.
First ionization enthalpy of two elements X and Y are 500 KJ mol-1 and 375 KJ mol-1 respectively. Comment about their relative position in a group as well as in a period.
Supply the missing word from those in bracket:
If an element has one electron in its outermost energy level [shell] then it is likely to be _______.
Name or state following with reference to the element of the first three periods of the periodic table.
A non-metal in period 2 which is tetravalent.
