Protons, Neutrons, and Electrons

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Complete Chart Atomic # - 9 Mass # - 19 Protons neutrons electrons symbol

Answer: Atomic # - 9 Mass # - 19 Protons -9 neutrons -10 electrons -9 symbol- F

Complete Chart Atomic # Mass # Protons -14 neutrons -15 electrons symbol

Answer: Atomic # -14 Mass # -29 Protons -14 neutrons -15 electrons -14 symbol-Si

Complete Chart Atomic # Mass # -47 Protons neutrons -25 electrons symbol

Answer: Atomic # -22 Mass # -47 Protons -22 neutrons -25 electrons -22 symbol- Ti

Completing a chart: Atomic #, Mass#, protons, neutrons, electrons, symbol

1. Use the periodic table 2. The atomic number IS the number of PROTONS 3. The number of ELECTRONS must have the same number of protons. 4. Find the number of NEUTRONS by: Finding the MASS # which is the ATOMIC Weight # rounded up THEN Mass # = (number of protons) + ( number of neutrons)

What is the difference between a proton, neutron, and electron?

Key Concepts -Atoms are made of extremely tiny particles called protons, neutrons, and electrons. -Protons and neutrons are in the center of the atom, making up the nucleus. -Electrons surround the nucleus. -Protons have a positive charge. -Electrons have a negative charge. -The charge on the proton and electron are exactly the same size but opposite. -Neutrons have no charge. Since opposite charges attract, protons and electrons attract each other.


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