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Calculate the no. Protons ,

PH at the start of yogurt incubation PH6.5 and after 8 hours PH4.4. Using each pH value, calculate the concentration of protons
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2. asked by Ana
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Lithium-6 has an atomic number of 3. How many protons are in this isotope?A. 0 protons B. 3 protons C. 6 protons D. 9 protons I
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2. asked by drew
3. 550 views
the mass of the sun is 2×10^30kg.the mass of a proton is 2×10^-27kg.if the sun was made only of protons.calculate the number
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2. asked by Anonymous
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Protons are positively charged and repel other protons. Which other particle is found in the nucleus and separates protons so
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2. asked by Welp_oh_dear
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Protons are positively charged and repel other protons. Which other particle is found in the nucleus and separates protons so
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2. asked by .jimin
3. 1,652 views
what mass of protons would be required to just neutralize the charge of 1.0g of electrons?how do I answer this? You know the
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2. asked by Chris
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What is the main difference between protons and neutrons?Protons have a much smaller mass than neutrons. Protons have a much
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2. 16 views
What is the main difference between protons and neutrons?Protons have a much smaller mass than neutrons. Protons have a much
1. 1 answer
2. 84 views
Calculate the gravitational force of attraction between two protons in a chemical compound.Take the mass of proton as
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2. asked by Ibraheem
3. 1,338 views
For a helium atom containing two protons, two neutrons and two electrons:A)Calculate the first energy
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2. asked by chanty
3. 1,005 views