M&C Final Exam Review

Label the picture of an atom.

c

d

e

b

a

nucleus

proton

orbitals

electron

neutron

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NGSS.MS-PS1-1

Match the following

• Electron

• Negative Charge

• nucleus

• Where negative charges are located

• orbitals

• Where positive charges are located

• Neutron

• Positive Charge

• Proton

• Neutral Charge

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NGSS.MS-PS1-1

How many protons does sulfur have?

• 32

• 16

• 48

• 12

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NGSS.MS-PS1-1

How many electrons does sulfur have?

• 16

• 32

• 48

• 12

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NGSS.MS-PS1-1

How many neutrons does the most common isotope of sulfur have?

• 16

• 32

• 48

• 12

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NGSS.MS-PS1-1

The mass number equals the number of

• protons + neutrons
• protons
• protons + electrons
• neutrons

The atomic number always equals the

• protons
• neutrons
• electron configuration
• mass number

Lithium with atomic # 3 and mass number of 7 has how many neutrons?

• 3
• 4
• 10
• 7

Ag--110 and Ag--112 are two forms of silver with different mass # so they are

• compounds
• isotopes
• orbitals
• neutrons

What do we call an atom that has become charged by gaining or losing electrons?

• Ion
• Isotope
• Electron
• Valence Electron

Tags

NGSS.MS-PS1-1