Atoms and Molecules Quiz 4
Answer these simple questions correctly and earn coins
Difficulty Level :
15 Questions
Popular Questions In Atoms and Molecules Quiz 4
Valency of Carbon is ……
A positively charged ion is called ……
A negatively charged ion is called ………
In the anion is ….
Standard reference for measuring atomic masses of other elements is
The number of times one atom of given element is heavier than 1/12th part of atomic mass of carbon – 12 is called as ……
Atomic mass of Magnesium is ……
Formula of silver nitrate ……
Molecular mass of sodium carbonate is …… U.
Avogadro constant NA = …
Molar mass of water = …… u.
Number of particles present in 32 g of oxygen molecule are ……
Number of moles of 22g of carbon dioxide is ……
The valency of Copper in is ……
Number of particles in 7.75 g of phosphorous is ………