i want the table of the elements with their atomic mass and their valency

Valency - Valency is the combining capacity of an atom. It is equal to the number of electrons the atom loses, or gains or shares when it combines with one or more atoms. Depending on whether the atom loses, gains or shares electrons, the ..

Element Symbol Relative Atomic Mass Element Symbol Relative Atomic Mass Aluminium Al 26.98 Magnesium Mg 24.31 Bromine Br 79.90 Mercury Hg 200.50 Calcium Ca 40.08 Nitrogen N 14.01 Carbon C 12.01 Oxyg..

Element Symbol Atomic Number Relative Atomic mass Actinium Ac 89 227 Aluminium Al 13 27 Americium Am 95 243 Antimony Sb 51 122 Argon Ar 19 40 Arsenic As 38 75 Astatine At 95 ..

Relation Between Atomic Number and Atomic Mass - While studying the periodic table, it will be noticed that with the increase in the atomic number, there is an increase in atomic mass as well (with some exceptions). Usually an ..

Relation Between Atomic Number and Atomic Mass - While studying the periodic table, it will be noticed that with the increase in the atomic number, there is an increase in atomic mass as well (with some exceptions). Usually an ..

Gram Atomic Mass - The relative atomic mass of an element expressed in grams, is known as the gram atomic mass of that element. Gram atomic masses of some of the elements are given in ..

Mendeleev's periodic table helped in correcting the atomic masses of some of the elements, based on their positions in the periodic table. For e.g., atomic mass of beryllium was corrected from 13.5 to 9. Atomic ma..

Cancelling 'n' which is common, we have Thus, the Relative Atomic Mass of Oxygen is 16 i.e., an atom of oxygen is 16 times denser than an atom of hydrogen. It may be noted that: Remember The mass of th of carbon atom is referred to as an h..

Atomic Number (Z) is the number of protons in the nucleus of an atom. It is also equal to the number of electrons since the atom is electrically neutral. Mass Number (A) is the total number of neutrons and protons present in the nucleus of an atom...

Remember : Atoms with variable valencies have their symbols same but are named differently. Example 1: Copper (Cu) has a variable valency of 1 and 2. It is shown as Cu + and Cu + + . Cu + is read as Cuprous and Cu + + is read as Cupric. Example 2: Ferrous (Fe +..