Questions and Answers
All Answers by Steve Gagnon
What are the exact relative masses of protons, neutrons and electrons?
When was the nucleus discovered?
Is vacuum matter? What are ten things that are not matter?
How many quarks are in a proton? How many quarks are in a neutron?
How do you determine how many protons, neutrons, and electrons are in an atom?
How are electrons placed in shells around the nucleus?
What would happen to the atomic number and the electric charge of an atom if two neutrons escaped the nucleus?
What is the charge of an up quark and the charge of a down quark? How many quarks make up a proton and a neutron?
How do you prove air is matter?
What is the simplest way of explaining what atoms, elements, compounds and mixtures are?
What are the freezing and melting points of krypton?
Will scientists ever find smaller elements or is hydrogen the smallest possible?
What is a material with a freezing point above 0 degrees Celsius?
When studying elements I noticed that there is a boiling point and melting point. What are they?
If you have 11 protons and 12 neutrons this is an atom of what element?
Does sodium have any isotopes? Is it radioactive?
What's the difference between hydrogen, nitrogen, oxygen, neon, copper, gold and magnesium?
Why is hydrogen's atomic number 1?
What makes hassium an element if it has no uses except basic scientific research?
Why do the electron shells begin being named with K, L, M, N, and not with A, B, C?
Why aren't Chlorine-35 and Chlorine-37 two different elements?
How do you separate tungsten from its ore?
What two minerals is the sun made out of?
In space we feel weightlessness because the earth's gravity has less effect on us. Why do we not see the effect of the gravitational force between the various objects...
Is there an atom that does not have neutrons?
I am not clear on what a molecule is. If water is a molecule, is it also a compound because the hydrogen and oxygen have been chemically combined? If so...
How many times bigger is a proton than an electron?
Can you use light to push light?
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