Does this Bohr model accurately represent the atom Cl^-1? Why?

• Yes, the atom contains the correct number of protons, neutrons, and electrons in the model

• No, the atom does not contain the correct number of protons in the nucleus

• No, the atom does not contain the correct number of neutrons in the nucleus

• No, the atom does not contain the correct number of electrons outside of the nucleus

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NGSS.MS-PS1-1

The outermost shell of an atom contains _______ _________ that are responsible for chemical bonding between atoms (making compounds). This is a two-word answer.

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This Bohr model depicts what atom of the Periodic Table? (Spelling does count)

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The PERIOD on the Periodic Table tells us...

• How many electron shells an individual atom will have outside of the nucleus

• The total number of protons, neutrons, and electrons are found in a neutral atom

• How many valence electrons will be stored in the outermost shell

• The mass of an individual atom of any given element

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This Bohr model depicts what atom of the Periodic Table? (Spelling does count)

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What is the atomic mass of an atom of Argon?

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How many valence electrons are found in the outermost shell of an atom of Calcium? (Use your periodic table to help you)

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The GROUP on the Periodic Table tells us...

• How many electron shells an individual atom will have outside of the nucleus

• The total number of protons, neutrons, and electrons are found in a neutral atom

• How many valence electrons will be stored in the outermost shell

• The mass of an individual atom of any given element

This Bohr model depicts what atom of the Periodic Table? (Spelling does count)

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NGSS.MS-PS1-1

Fill in the Blank: Protons are found ______ the nucleus and have a _______ charge.

• Outside the nucleus, positive

• Inside the nucleus, negative

• Outside the nucleus, negative

• Inside the nucleus, positive

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NGSS.MS-PS1-1