Answer:
0.00944
Explanation:
Xenon mass number on the periodic table: 131.29
Oxygen mass number: 16.00
Add them to find the molar mass of xenon trioxide: 131.29+3(16) = 179.29g/mol
Convert this to moles
Explanation:
divide the objects weight by the acceleration of gravity to find the mass
Answer:
nickel
It also tells you the number of electrons that the element has in its outside shells. If the atomic number of nickel is 28 then every atom of nickel has 28 protons in its nucleus and 28 electrons outside the nucleus.
Explanation:
Answer:
Scientific notation is a system in which quantities are too big or too tiny to compose in decimal form.
Key words:
1: Scientific
2: Quantities
3: Decimal
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<em><u>Hope this helps.</u></em>
Sir Joseph John Thomson OM PRS (18 December 1856 – 30 August 1940) was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be discovered.
