A compound contains 28% nitrogen and 72% of a metal by weight. Three atoms of metal combine with two atoms of nitrogen. If the atomic weight of nitrogen is 14, the atomic weight of the metal is:
12
24
36
48
Related Questions
Which one of the followings has maximum number of atoms ?
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
atoms of an element weights 1.15 g. The atomic mass of the element is
46.0 u
23.0 u
11.5 u
92.0 u
Which of these samples contains the fewest atoms?
10 g of Au
10 g of Fe
10 g of Al
10 g of C
If you have 2 g of each of the following substances, which one would contain the highest number of atoms?
Helium
Neon
Argon
Krypton
The number of Na atoms in 46 g βNaβ
6.023{\mkern 1mu} {\mkern 1mu} imes {\mkern 1mu} {\mkern 1mu} {10^{23}}
2
1
12.046{\mkern 1mu} {\mkern 1mu} imes {\mkern 1mu} {\mkern 1mu} {10^{23}}
Which of the following contains the greatest number of atoms?
1 g of Li
1 g of Ag
1 g of Mg
1 g of O2
Which of the following has the largest number of atoms?
0.5 g of Li
0.5 g of Na
0.5 g of K
0.5 g of Rb
13.5 g aluminium changes to in solution by losing :
electrons
electrons
electrons
electrons
Which one of the followings has maximum number of atoms ?
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
of [ Atomic mass of ]
13.5 g aluminium changes to in solution by losing :
electrons
electrons
electrons
electrons
