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Here is the link to a great video that explains your question nicely, hope this helps.
Answer:
Look at your periodic table
Explanation:
It tells you everything like Potasium 1 and 1 ox and 1 hydrogen
Instability of an atoms nucleus can result from an excess of either neutrons or protons . So neutrons and protons .
Answer: In Galileo’s time, what was considered the “center of everything”? The Earth! All of the planets and even the Sun went around “us”. Of course, when Galileo saw the moons of Jupiter passing in front of the planet, and disappearing to show up again, it was clear to him that these moons went around Jupiter like our moon goes ‘round the Earth.
That did not set well with the Beliefs of the day, and that is at least one answer!
Explanation:
