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Lithium has the atomic number of 3.
Lithium has 3 electrons and the Lithium ion has 2.
The group no. of Lithium is 1 and its period number is 2.
The atomic nucleus of lithium has 3 protons.
By consulting a periodic table, you can find the atomic number of lithium (which equals its proton number), as well as its average number of neutrons (represented by the mass number - simply take the proton number away from the mass number).
H2 has the oxidation number 'zero'
Lithium's mass number is 6.941.
Lithium is element #3. That, of course, is the atomic number - the number of protons. The atomic mass will of course depend on the specific isotope. The most common isotope is Lithium-7, that is, atomic mass = 7. Lithium-6 also occurs in nature as a stable isotope.
The oxidation number for lithium is +1 and for oxygen is -2. In lithium oxide (Li2O), lithium has an oxidation number of +1 and oxygen has an oxidation number of -2. Therefore, the change in oxidation number for lithium oxide is -1 for lithium.
The oxidation number of lithium is +1.
The number of electrons in each lithium atom is 3.
A neutral lithium atom has 3 electrons, the same as the number of protons, which is the atomic number of lithium. There is no lithium ion with a charge of 7+. If you mean lithium with a mass number of 7, the number of protons is 3 and the number of neutrons is 4.
Lithium has the atomic number of 3.
The atomic number of lithium is 3. Lithium is in the second period and the first group in the periodic table of Mendeleev.
In a neutral atom of lithium-7, the number of protons equals the number of electrons. The atomic number of lithium is 3, which is the number of protons. So a neutral atom of lithium-7 has 3 protons and 3 electrons.
Lithium has 3 electrons and the Lithium ion has 2.
Lithium has the atomic number of 3, which means it has 3 protons, and a neutral atom of lithium has 3 electrons.