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What element has the atomic number of 3?
Lithium has the atomic number of 3.
What is the atomic number of hydrogen of lithium?
We can find lithium as a metal element. Atomic number of it is 3.
What is the atomic number for lithium chloride?
Lithium chloride does not have an atomic number because it is a compound, not an element. However, lithium as an element has an atomic number of 3.
How many protons are in a lithium nucleus?
The atomic number of lithium is 3. Therefor there are 3 protons and neutron in the nucleus of lithium. Lithium also has 4 neutrons. atomic # = protons and neutrons neutrons = rounded atomic mass - atomic number Sources- 7th grade Acc. Science
What is the name of the element that has an atomic number of 3?
The name of the element that has atomic number 3 is Lithium (Li).
What is the atomic number of Lithium-7?
Lithium has 3 protons thus even if it has 4 neutrons it is still atomic number of 3
Which of the following pieces of information about the element Lithium describes the atomic number only?
The number of protons.
What is the mass number for lithium?
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.
What is the average atomic mass of lithuim?
The average atomic mass of Lithium (Li) is 6.941.
Determine the number of electrons in a neutral atom of lithium?
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).
Who discovered lithium and what is lithium atomic number?
Johan August Afrwedson is the man who discovered lithium. He was a Swedish chemist and made his discovery in 1817. Lithium has the symbol Li, and its atomic number is 3.
What is the proton number of the element lithuim?
Lithium has an atomic number of 3.Lithium's atomic mass is 6.9.The atomic number refers to the number of protons in the nucleus of an element. As elements are electronically neutral the atomic number also refers to the number of electrons in a normal atom of that element.The atomic mass is an average and can be said to refer to the combined mass of the protons and neutrons in the nucleus (protons and neutrons both having an atomic mass of 1).Lithium, therefore, has 3 protons, 3 electrons and 4 neutrons (on average).Lithium is in group 1 which means it is an alkali metal.Being in group 1 also means that Lithium has only one electron in its outer shell.Alkali metals are highly reactive because they only need to get rid of one electron in an ionic bond in order to have a full outer shell. As one travels down the periodic table the number of electron shells increase and so too does the distance an outer electron is from the nucleus. This increase in distance means the nucleus' hold on the outer electrons is diminished and thus the element will give up its outer electrons easier. This, in turn makes the alkali metals further down the table more reactive than those higher up.Alkali metals are so called because when they react with water they form an alkali. Lithium reacting with water will form lithium hydroxide.Lithium is a metal with a relatively low density that floats on water and will react violently with water and discolour rapidly in air.
