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What best describe an element has atomic number equal to 6 and mass number equal to 12?
This is the cabon isotope 612C.
The nuclei of carbon-12 and carbon -13?
The nucleus of carbon-12 has 6 protons and 6 neutrons, while the nucleus of carbon-13 has 6 protons and 7 neutrons. Both isotopes have the same number of protons, which defines them as carbon atoms, but they differ in their neutron count, leading to different atomic masses.
What is the nuclear equation for beta decay of cesium-137?
The number 87 when referred to francium is that element's atomic number. The most common isotope of francium is 223, which has a half-life of 22 minutes and decays by beta-negative emission into radium-223.
How many isotopes of carbon are there?
C14H30 is the formula and 14 carbons are there in kerosene.
What is a combination of element symbols that shows the ratio of elements in a compound?
A chemical formula is a combination of element symbols that shows the ratio of elements in a compound. The subscripts in the formula indicate the number of atoms of each element present in the compound.
