The atomic number of oxygen is 6. This means that oxygen has 6 positively charged particles called protons in its nucleus. An atom does not possess any charge.
What is the number of electrons (negatively charged particles) in an oxygen atom?
A. 0 B. 2
C. 6 D. 12
Answers
no of elecron is equal to no of prottonsso(C)is the answer.
The require answer is 6.
electrons: Electrons are subatomic particles that have an elementary charge of -1. The charge on the electron is the same in magnitude as the charge held by the proton (but opposite in sign).
Therefore, electrically neutral atoms/molecules must have the same number of electrons and protons. Although the magnitude of the charges held by protons and electrons is the same, the size and mass of an electron is much smaller than that of a proton (the mass of an electron is roughly 1/1837 that of a proton).
An electron is a negatively charged particle. The negative charge is equal in magnitude to 1.602 × 10-19 coulombs. The mass of an electron is 1/1837 of a proton.
The mass of an electron is 9.10938356 × 10-31 kilograms. The mass of an electron is negligible compared to the mass of a proton.
protons: Protons are positively charged particles that are present in the nucleus of an atom.
An atom is made up of protons, electrons and neutrons. All the mass of an atom is concentrated in the nucleus, which is in the center. The nucleus contains protons and neutrons, collectively called nucleons. Electrons orbit the nucleus in circular orbits.
The mass of a proton is 1.6726219 × 10-27 kilograms.
We know that the number of electrons and protons are equal in the atom.
Its maintain the atom neutrality.
Hence the require answer is 6.
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