Question

How many atom Protons of this and electrons does element haved​

Answer 1

Explanation:

Carbon-12 (or 12C) contains six protons, six neutrons, and six electrons; therefore, it has a mass number of 12 amu (six protons and six neutrons). Carbon-14 (or 14C) contains six protons, eight neutrons, and six electrons; its atomic mass is 14 amu (six protons and eight neutrons).

Answer 2

Answer:

Its atomic number is 14 and its atomic mass is 28. The most common isotope of uranium has 92 protons and 146 neutrons. Its atomic number is 92 and its atomic mass is 238 (92 + 146). Figure 2.2 A depiction of a helium atom.

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2.1 Electrons, Protons, Neutrons, and Atoms.

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