Chemistry Review

Urvee ___
Quiz by Urvee ___, updated more than 1 year ago
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Description

A review of basic chemistry
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Resource summary

Question 1

Question
Please open this link in another tab fro quick reference. http://sciencenotes.org/wp-content/uploads/2015/01/PeriodicTableMuted.png What are valence electrons?
Answer
  • Electrons in the outermost shell
  • Electrons closest to the nucleus
  • Electrons that are exchanged with other atoms to form bonds
  • Electrons that have a negative charge
  • Electrons that repel from positive protons

Question 2

Question
What does the number 18.998 represent?
Answer
  • Average Atomic Mass
  • Number of Protons
  • Number of Neutrons in an ion
  • Atomic Number

Question 3

Question
An [blank_start]ion[blank_end] is when there is an atom with more or less electrons that the usual. Usually, in a stable atom, there are the same number of protons as electrons. [blank_start]Cation[blank_end] - more protons, less electrons >> [blank_start]positive[blank_end] [blank_start]Anion[blank_end] - less protons, more electrons >> [blank_start]negative[blank_end]
Answer
  • ion
  • Cation
  • Anion
  • positive
  • negative

Question 4

Question
Ionic Bonds - [blank_start]Metal[blank_end] (loses electrons) and [blank_start]Nonmetal[blank_end] (gains electrons) Covalent Bonds - 2 [blank_start]nonmetal[blank_end] atoms Polar Covalent Bond - 2 [blank_start]different[blank_end] atoms, [blank_start]Unequal[blank_end] Sharing Non Polar Covalent Bond - 2 [blank_start]same[blank_end] atoms, [blank_start]Equal[blank_end] Sharing
Answer
  • Metal
  • Nonmetal
  • different
  • Unequal
  • Equal
  • nonmetal
  • same

Question 5

Question
It might be helpful to copy this table on to a piece of paper and fill it out. All isotopes will be written in this format >> (Element)-(Number) A - [blank_start]Pb[blank_end] B - [blank_start]207[blank_end] C - [blank_start]82[blank_end] D - [blank_start]125[blank_end] E - [blank_start]82[blank_end]
Answer
  • Pb
  • 207
  • 82
  • 125
  • 82

Question 6

Question
F - [blank_start]Copper-35[blank_end] G - [blank_start]84[blank_end] H - [blank_start]29[blank_end] I - [blank_start]29[blank_end] J - [blank_start]35[blank_end]
Answer
  • Copper-64
  • 64
  • 29
  • 29
  • 35

Question 7

Question
K - [blank_start]Sodium-11[blank_end] L - [blank_start]Na[blank_end] M - [blank_start]23[blank_end] N - [blank_start]11[blank_end] O - [blank_start]11[blank_end]
Answer
  • Sodium-23
  • Na
  • 23
  • 11
  • 11

Question 8

Question
P - [blank_start]Fe[blank_end] Q - [blank_start]26[blank_end] R - [blank_start]26[blank_end] S - [blank_start]30[blank_end] T - [blank_start]26[blank_end]
Answer
  • Fe
  • 26
  • 26
  • 30
  • 26

Question 9

Question
U - [blank_start]Uranium-146[blank_end] V - [blank_start]U[blank_end] W - [blank_start]238[blank_end] X - [blank_start]92[blank_end] Y - [blank_start]146[blank_end] Z - [blank_start]92[blank_end]
Answer
  • Uranium-238
  • U
  • 238
  • 92
  • 146
  • 92

Question 10

Question
It might be helpful to copy this table on to a piece of paper and fill it out. Please make sure to put the charge (+/-) before the amount (1,2,3,4...). A - [blank_start]Co[blank_end] B - [blank_start]+2[blank_end] C - [blank_start]27[blank_end]
Answer
  • Co
  • +2
  • 27

Question 11

Question
D - [blank_start]Tungsten[blank_end] E - [blank_start]184[blank_end] F - [blank_start]74[blank_end] G - [blank_start]110[blank_end] H - [blank_start]77[blank_end]
Answer
  • Tungsten
  • 184
  • 74
  • 110
  • 77

Question 12

Question
I - [blank_start]Xenon[blank_end] J - [blank_start]Xe[blank_end] K - [blank_start]+4[blank_end] L - [blank_start]77[blank_end]
Answer
  • Xenon
  • Xe
  • +4
  • 77

Question 13

Question
M - [blank_start]15[blank_end] N - [blank_start]31[blank_end] O - [blank_start]15[blank_end] P - [blank_start]16[blank_end] Q - [blank_start]13[blank_end]
Answer
  • P
  • 31
  • 15
  • 16
  • 13

Question 14

Question
R - [blank_start]Arsenic[blank_end] S - [blank_start]As[blank_end] T - [blank_start]-2[blank_end] U -[blank_start]33[blank_end]
Answer
  • Arsenic
  • As
  • -2
  • 33

Question 15

Question
Describe each bond as ionic, polar covalent, or non polar covalent. H2O - [blank_start]Polar Covalent[blank_end] HF - [blank_start]Polar Covalent[blank_end] NaCl - [blank_start]Ionic[blank_end] O2 - [blank_start]Non Polar Covalent[blank_end] LiBr - [blank_start]Ionic[blank_end] CuO - [blank_start]Ionic[blank_end]
Answer
  • Polar Covalent
  • Non Polar Covalent
  • Ionic
  • Polar Covalent
  • Non Polar Covalent
  • Ionic
  • Ionic
  • Polar Covalent
  • Non Polar Covalent
  • Non Polar Covalent
  • Polar Covalent
  • Ionic
  • Ionic
  • Non Polar Covalent
  • Polar Covalent
  • Ionic
  • Non Polar Covalent
  • Polar Covalent

Question 16

Question
The goal of atoms (with a few exceptions is to have 8 electrons in their outermost energy shell. This is called the [blank_start]Octet[blank_end] [blank_start]Rule[blank_end].
Answer
  • Octet
  • Rule

Question 17

Question
Polar Covalent substances interact with [blank_start]Polar[blank_end] Covalent substances. Non Polar Covalent substances interact with [blank_start]Non Polar[blank_end] Covalent.
Answer
  • Polar
  • Non Polar
  • Non Polar
  • Polar

Question 18

Question
Which of these is true?
Answer
  • Hydrophobic - Dislikes Water
  • Hydrophobic - Water
  • Hydrophilic - Dislikes Water
  • Hydrophilic - Likes Water
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