It is b, i learned this last year hope this helps
An atom with an atomic number of 10 and a mass number of 24 would have 14 neutrons.
<h3>What is atomic number and mass number?</h3>
The term atomic number, conventionally denoted by the symbol Z.
Atomic number indicates the number of protons present in the nucleus of an atom, which is also equal to the number of electrons in an uncharged atom.
The mass number of a given atom is defined by the number of protons and neutrons present in the nucleus. In simple,
Protons + Neutrons = Mass Number
To learn more about atoms, refer
https://brainly.in/question/5318
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The 2 represents that it is a double carbon bond
it looks like..
C-C = C-C
I feel like it is important, because it is always nice to learn about new things and keep your mind open, to expand your knowledge.
