Answer:
This information tells us that carbon-14 is an isotope of carbon-12. Isotopes are atoms with the same atomic number but different mass number. The Atomic number is the number of protons in the nucleus of an atom. The Mass number is the total number of protons and neutrons in an atomic nucleus. Both carbon-14 and carbon-12 have 6 protons, 6 electrons, but they differ in the fact that carbon-14 has 8 neutrons as opposed to 6 neutrons in carbon-12.
It is 30 km/per second which equals D(67,000 m/h)
Answer:
Atoms are indivisible
I had a hard time finding this out.
Explanation: Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible.
Answer:
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