A particular element X can be found in three gaseous forms-mono-atomic, di-atomic and tri-atomic.If density of one of its forms at a pressure of 8.21 atm at 400 K is 18gm/L, then what would be atomic mass of the element ?

A particular elements 'X' can be found in three gaseous forms -mono-atomic, di-atomic and tri-atomic. If density of one of its from at a pressure of 8.21 atm at 400 K is 18 gm/lit, then what would be atomic mass of the element

Can carbon form bonds with the atoms of other elements?

The mass of 3.2 xx 10^(5) atoms of an element is 8.0 xx 10^(-18) gm. The atomic mass of the element is about:

If the sum of atomic mass of 3 elements forming Dobereiner traid is 69, then atomic mass of second element

x,y and z are the elements of a Dobereiner 's tried .If the atomic mass of 'x' is 7 and that of 'z' in 39. what should be the atomic mass of the 'y' ?

2.49 xx 10^(-18)g of an element X contains 2.0 xx 10^(4) atoms. What is the atomic mass of the element X ?

The atom of an element X has 7 electrons in its M shell. What is the atomic number of element X ?

The weight of 1 atom of an element is 8 x 10^-23 .what is its atom mass?

The mass of a single atom of an element X is 2.65 xx 10^(-23) g . What is its atomic mass ? What could this element be ?