# Protons Protons

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 tarix 02.03.2018 ölçüsü 541 b. #29493

• ## Protons

• +1 Charge
• 1 amu (atomic mass unit)
• 1amu=1.7 * 10-24 g
• ## Neutrons

• 0 (neutral) charge
• 1amu

• ## In a typical atom you will have the same number of protons and electrons, what charge does this give the atom?

• 0 Charge, or it is neutral!

• ## This is called an Ion

• If the atom is missing an electron it will be a Positive Ion.
• If the atom gains and electron it will be a Negative Ion.

• ## Element Symbol

• Zr is Zirconium
• ## Atomic Number- tells the number of protons in one atom of the element

• Zr has 40 Protons
• (therefore it also has 40 electrons)
• ## Atomic Mass (Mass Number)

• Tells number of protons and neutrons combined (40 + ? = 91)

• ## My atomic number is 51, my name is…

• Antimony

• Argon
• ## My atomic mass is 183.85, my name is…

• Tungsten
• ## My atomic number is 102, my name is…

• Nobelium

• 16
• ## My atomic number is 19, this is my name and how many electrons I have

• Potassium, 19 electrons

• 112

• ## Element F has 7 protons and 7 neutrons

• Different Element

• Isotope

• Isotope

• ## To name an Isotope

• Element Name – Mass #

• ## Gravitational Force

• Attractive force between all objects in the universe
• Gravity depends upon mass of and distance between objects…
• This force is not very strong in the atom
• ## Electromagnetic Force

• Opposites attract; likes repel
• Protons & electrons
• Electrons and Nucleus

• ## Strong Force (the physicists got original naming this one)

• Holds protons and neutrons together to make the nucleus
• Greater than electromagnetic force between protons (since the protons would repel each other)
• ## Weak Force – Yes, it’s a very weak force

• Deals more with radioactive decay and nuclear fusion

• ## Using the periodic table, draw what you think a model of an atom of oxygen would look like

• You should have 8 protons and 8 neutrons in the nucleus, and 8 electrons surrounding the nucleus.

• Fluorine

• ## The result is the atomic number of this element…

• Hydrogen

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