Advertisements
Advertisements
प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
Advertisements
उत्तर
Y = 9 i.e (2, 7)
संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Why do `""_17^35"CI"` and `""_17^37"CI"` have the same chemical properties? In what respect do these atoms differ?
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
How do atoms attain Noble gas electronic configuration?
______ is the only noble gas that does not have eight electrons in its valence shell.
| Name of compound | Type of compound | |
| a. | Sodium chloride | ______ |
| b. | ______ | co-ordinate covalent compound |
| c. | Methane | ______ |
| d. | Fluorine molecule | ______ |
How many atoms of each kind are present in the following molecule:
Chlorine
