Atomic number equals protons

Answer 1

The atomic number is defined as the number of protons in an atom. The number of electrons will always be the same if the atom is neutral- if the atom is not neutral we usually call it an ion. The number of neutrons can vary, and make what are called isotopes.

For example, carbon has atomic number 6, meaning every carbon atom has 6 protons. Every neutral carbon atom has 6 electrons. Carbon can have several isotopes, the most common of which is carbon-12 and carbon-14. Carbon 12 has 6 protons and 6 neutrons, and carbon 14 has 6 protons and 8 neutrons. Answer: atomic no. of an element= no. of protons = no. of electrons while no. of neutrons = mass no. - no. of protons

Answer 2

Yes, the atomic number of an element is equal to the number of protons in an atom of that element. This is because the atomic number defines an element's identity and it is determined by the number of protons in the nucleus.

Answer 3

atomic number represents the protons. Mass number represents neutrons and protons togethor.

Answer 4

Yes, the isotopes of the element have the same atomic number. Only their mass varies.

Answer 5

The number of protons is the same as the atomic number. This is usually the same as the number of electrons as well, but an atom can gain or lose electrons.

Answer 6

True