Basic Chemistry
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Which of the following is true about protons?
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Protons have a positive charge, found outside the nucleus and have 1 amu (atomic mass unit).
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Protons are found in the nucleus, have a positive charge and a mass of 1 amu (atomic mass unit)
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Protons have a negative charge, found outside the nucleus and have 1 amu (atomic mass unit)
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Protons have no charge and are found in the nucleus and have a mass of 1 amu.
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Charges of subatomic particles; separating substances, basic Bohr model
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- 2.
Sodium, when neutral, will have 11 electrons and 11 protons. What will its charge be if it loses 1 electron?
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-1
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+1
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+2
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-1
Correct Answer
A. +1Explanation
(11+) and (11-) changes to 11 + and 10 -.Rate this question:
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- 3.
In a neutral atom, which two subatomic particles must be equal in number?
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Protons and electrons
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Protons and neutrons
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Neutrons and electrons
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Protons, neutrons and electrons
Correct Answer
A. Protons and electrons -
- 4.
Which is a possible correct Bohr model for Carbon? (Use a periodic table for reference).
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Option 1
![Basic Chemistry - Quiz]()
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Option 2
![Basic Chemistry - Quiz]()
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Option 3
![Basic Chemistry - Quiz]()
Correct Answer
A. Option 1 -
- 5.
Complete the following: Element # of protons # of neutrons Atomic mass (amu) Atomic number Number of electrons W 38 49 X Y Z
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W = Element is Indium , X = 87; Y = 49 and Z = 38
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W = Element is Indium , X = 87; Y = 49 and Z = 49
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W = Element is Strontium, X = 87; Y = 38 and Z = 38
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W = Element is Strontium, X = 87; Y = 38 and Z = 39
Correct Answer
A. W = Element is Strontium, X = 87; Y = 38 and Z = 38 -
- 6.
Which method of separation would work best to separate the components of blood?
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Distillation
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Filtration
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Chromatography
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Centrifuge
Correct Answer
A. Centrifuge -
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Quiz Review Timeline (Updated): Dec 15, 2013 +
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Current Version
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Dec 15, 2013Quiz Edited by
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Dec 14, 2013Quiz Created by
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