Bell Ringer What element is located at period 4 group 8?

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Presentation transcript:

Bell Ringer What element is located at period 4 group 8? What element has 45 protons? What period and group is Iron located in?

Isotopes Integrated Science

Isotopes Atoms of the same element with different numbers of neutrons. If they have different numbers of neutrons then they have different mass numbers.

Examples Find the number of protons, neutrons, and electrons for each.

How to name isotopes!! Carbon-12 12 is the mass number How many protons, neutrons, and electrons does Carbon-12 have? Carbon-14 14 is the mass number How many protons, neutrons, and electrons does Carbon-14 have?

More examples Chromium-58 1. Mass number is ________ 2. Find the number of protons, neutrons, and electrons for Chromium-58? 3. Draw this isotope. Protons (+), Neutrons (o), Electrons (-) Chromium-63 1. Mass number is ________ 2. Find the number of protons, neutrons, and electrons for Chromium-63? 3. Draw this isotope. Protons (+), Neutrons (o), Electrons (-)

Practice On your marker board, finish this table and draw the isotope. Silver- 111 Silver-120 # of protons 47 # of neutrons # of electrons

Practice On your marker board, finish this table and draw the isotope. Tin- 122 Tin-131 # of protons # of neutrons # of electrons

Worksheet You have the rest of the class to work on this worksheet. If you do not finish in class it is homework.