Advertisements
Advertisements
प्रश्न
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
Advertisements
उत्तर
Chlorine requires one electron to complete its octet.
APPEARS IN
संबंधित प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Sodium chloride is ______ compound while hydrogen chloride is ______ compound.
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
Why do they exist as monoatoms in molecules?
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Give the orbital diagram of the following:
Methane
Choose the odd one out and write the reason:
| Name of compound | Type of compound | |
| a. | Sodium chloride | ______ |
| b. | ______ | co-ordinate covalent compound |
| c. | Methane | ______ |
| d. | Fluorine molecule | ______ |
