EASY
10th CBSE
IMPORTANT
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The number of valence electrons in the oxygen atom is two.

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Important Questions on Elementary Idea of Bonding

EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q III
Two atoms of hydrogen are held together in a hydrogen molecule by an ionic bond.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q III
The type of bonding in NaCl is covalent.
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 1
Which electronic configuration favours the inert or noble behavior of elements?
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 2
Why do elements combine chemically?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 3
What is the nature of forces existing between ions in ionic bond?
HARD
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 4
Why do ionic compounds have high melting and boiling points?
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 5
Why does carbon tetrachloride not conduct electricity?
EASY
10th CBSE
IMPORTANT
Foundation Science Chemistry FOR CLASS 10>Chapter 2 - Elementary Idea of Bonding>EXERCISES>Q 6
How many covalent bonds are there in a molecule of nitrogen?