Advertisements
Advertisements
प्रश्न
Name the following:
Metal with valency 2
उत्तर
Magnesium
APPEARS IN
संबंधित प्रश्न
What is an α (alpha) particle?
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.
How do atoms attain noble gas configurations?
Compare :
Sodium atom and sodium ion
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidation.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
Give the orbital diagram of the following:
Magnesium chloride
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
______ is the only noble gas that does not have eight electrons in its valence shell.
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.