Is the number of Atom of each element are equal on both side?

CaO + H_2 O rarr Ca(OH_2) . From this chemical equation, is the number of atoms of each element on both sides equal ?

Count the number of atoms of each elements on left and right of the arrow in the equation CaO+H_(2)Orarr Ca(OH)_(2) .

Do the atoms of each element on left side equal to the atoms of the element on the right side of the equation?

Na_2SO_4 + BaCl_2 to BaSO_4 + NaCl. Do the atoms of each element on left side equal to the atoms of the element on the right side of the equation?

48 g of Mg contains the same number of atoms as 160 g of another element . The atomic mass of the element is

There are more number of atoms in one gram atom of an element than in one gram of the same element. Explain.

The atomic number of an element corresponds to :

The polygon in which the number of diagonals is equal to the number of sides is

Balu (B) : Valence of an element with respect to hydrogen is the number of hydrogen atoms with which one atom of that element chemically combines. Venu (V) : Valence of an element with respect to oxygen is twice the number of oxygen atoms which one atom of that element combines.

An element in +2 oxidiation state has 24 electrons. The atomic number of the element and the number of unpaired electrons in it respectively are