Chem Exam Review (Spring)

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

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NGSS.HS-PS2-4

subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons

• valence electrons

• isotopes

• ions

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NGSS.HS-PS1-1

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Measure mainly of the nuclear particles: protons + neutrons

• Subatomic Particles

• Atomic Number

• Atomic Mass

• Gluons

Tags

NGSS.HS-PS1-8

Subatomic particles with a positive charge

• neutrons

• atomic mass

• protons

• isotopes

Tags

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Value representing the number of protons in an element

• Atomic Mass

• Mass Number

• Valence Electrons

• Atomic Number

Discovered the electron within the atom

• Thomson

• Chadwick 

• Schrodinger & Heisenberg

• Dalton

Created the Planetary Model of the atom

• Bohr

• Dalton

• Rutherford

• Chadwick

Discovered the neutron within the atom

• Democritus

• Thomson

• Rutherford

• Chadwick

Tags

NGSS.HS-PS1-8

Metals tend to 

• gain electrons

• lose electrons

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How do the following two elements bond together?
Na¹⁺  F^1-         

• NaF

• NaF₃

• Na₃F

• Na₁F₂

Tags

NGSS.HS-PS1-2