Answer
Step by step text solution for How many valence electrons are in chlorine atom. by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 9 exams.
|
MBD-ATOMS AND MOLECULES -Example
- What does a.m.u. represent ?
01:10
|
- Which isotope of carbon is used as a standard reference to express ato...
01:33
|
- Most of the elements have fractional atomic masses,What does it show ...
02:19
|
- What is molar mass ?
03:54
|
- Define gram atomic mass.
03:16
|
- How many atoms are present in 1 gram atom of an element ?
01:16
|
- Do 1 mole of sodium and calcium have different number of atoms ?
01:45
|
- Lead nitrate solution and sodium chloride solution taken in separate b...
02:44
|
- 28 g of magnesium oxide is produced by the combination of 12 g of magn...
02:39
|
- Do 1 mole of Na and O2 have same mass?
01:41
|
- 1 mole represents particles.......
01:52
|
- The molar mass of NH3 is ........
01:41
|
- An element Z has valency of 3. Write down the formula of its oxide?
02:12
|
- How many atoms are present in 0.012 kg of C^12- isotope ? What is th...
01:59
|
- Write down the formula of compound made up of Al^(3+) and SO4^(2-)
02:11
|
- How many molecules are present in 9g of water ?
03:25
|
- What is the molecular mass of HNO3. ( Atomic masses, H=1u,N=14u,0=16u)
01:58
|
- How many valence electrons are in chlorine atom.
02:06
|
- What are polyatomic ions ?.
02:32
|
- The molecular formula of aluminium sulphate is ......... .
01:34
|