One atom of carbon weighs exactly 12/6.022x10^23 = 1.9927x10^-23 grams<span>.</span>
Capture all of the smoke and weight it. it will weigh exactly the same before and after you burn it but will just be CO2 and H2O gas.
Thomson's model included Protons and Electrons. His model is referred to as 'Plum Pudding' because of it.
Answer:
The mass number
Explanation:
The mass number of an atom is its total number of protons and neutrons.
I hope this helps a bit.
Answer:
The Popular ones are five in number
Explanation:
Calcium
Silicon
Germanium
Tin
Lead