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?
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?
Is there an atom that does not have neutrons?
How many times bigger is a proton than an electron?
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