Atomic structure
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The document discusses the atomic structure including protons, neutrons, and electrons. Protons and neutrons are found in the nucleus which contains over 99% of the atom's mass. Protons are positively charged while neutrons are neutral. Electrons are negatively charged and orbit the nucleus, balancing out the positive charge of the protons to give atoms a net neutral charge.
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Atomic structure
- 1. Atomic Structure • Arrangement and number of sub-atomic particles •Protons •Neutrons •Electrons
- 2. •Center or core of an atom •Contains 99.9% of the weight of an atom •Contains protons and neutrons
- 3. •Positively Charged Sub-atomic particles •Found in the nucleus •All protons are a like
- 4. •Neutrally charged (no charge) sub-atomic particle •Found in nucleus
- 5. •They are the negatively charged particles orbiting the nucleus. •It is much smaller than the protons and the neutrons .
- 6. What is the net charge of the atom ? • The atom is formed of positively charged proton in the nucleus and negatively charged electrons in the energy level ,but they are equal to each other in number ,making the net charge of the atom “neutral”. No of positive protons = No of negative electrons