Home
Class 9
CHEMISTRY
The atomic number and mass number of sod...

The atomic number and mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?

Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE AND CHEMICAL BONDING

    ICSE|Exercise EXERCISE 4(C)|54 Videos

  • ATOMIC STRUCTURE AND CHEMICAL BONDING

    ICSE|Exercise EXERCISE 4(D)|21 Videos

  • ATOMIC STRUCTURE AND CHEMICAL BONDING

    ICSE|Exercise EXERCISE 4(D)|21 Videos

  • ATMOSPHERIC POLLUTION

    ICSE|Exercise EXERCISE 8(D)|38 Videos

  • CHEMICAL CHANGES AND REACTIONS

    ICSE|Exercise EXERCISE 2(C)|30 Videos

Similar Questions

Explore conceptually related problems

Define atomic number and mass number of an atom.

For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectively are :-

The atomic number and the mass number of an atom remains unchanged when it emits

Atomic number and mass number of an element M are 25 and 52 respectively. The number of electrons, protons and neutrons in M^(+2) ion are respectively.

A radioactive nucleus undergoes a series of decay according to the scheme. Aoverset(alpha)toA_(1)overset(beta)toA_(2)overset(alpha)toA_(3)overset(gamma)toA_(4) . If the mass number and atomic number of A are 180 and 72 respectively, then the mass number (x) and atomic and atomic number (y) of A_(4) are

A radioactive nucleus undergoes a series of decays according to the sequence Xoverset(beta)toX_(1)overset(alpha)toX_(2)overset(alpha)toX_(3) . f the mass number and atomic number of X_(3) are 172 and 69 respectively. what is the mass numberand atomic number of X ?

State the atomic number and mass number of ""_(11)^(23) Na and draw its atomic model.

What is a symbol ? What information does it convey ?

If the atomic number and the mass number of X are 72 and 180 then the mass number and atomic number of X4 are-

The atomic numbers of elements X,Y ,and Z are 19,21 , and 23 , respectively. The number of electron present in the M shells of these elements follows the order