Ap CHemistry Unit 1 Review

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

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NGSS.HS-PS2-4

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

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NGSS.HS-PS1-8

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Measure mainly of the nuclear particles: protons + neutrons

• Subatomic Particles
• Atomic Number
• Atomic Mass
• Gluons

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NGSS.HS-PS1-8

A charged atom

• Ion
• Isotope
• Electron Cloud
• Quark

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NGSS.HS-PS1-3

NGSS.HS-PS2-4

Arrangement of elements organized by atomic number

• Electron Cloud 
• Periodic Table 
• Electron Configuration
• None of these

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NGSS.HS-PS1-2

Proposed the Modern Electron Cloud Model of the atom

• Schrodinger & Heisenberg
• Dalton
• Chadwick
• Rutherford

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NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

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NGSS.HS-PS1-8

How many neutrons does the isotope below have?     ⁸⁹ ₃₆Kr

• 53
• 36
• 89
• 125

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NGSS.HS-PS1-8

If X is the symbol for an element, which of the following two symbols represent    isotopes of the same element?     I. ⁷⁷₃₅X  II. ⁷⁷₃₃X  III. ⁸¹₃₇X  IV. ⁸¹₃₅ X

• I and II
• III and IV
• I and IV
• I and III

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NGSS.HS-PS1-8