Question 1
Question
Solution mining is an example of [blank_start]liquid[blank_end] mining.
Question 2
Question
The boiling point of Oxygen is -196ºC
Question 3
Question
The formula for Ammonia is NH3?
Question 4
Question
The formula for sodium sulfate is Na2CO3?
Question 5
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a [blank_start]vacuum[blank_end] is an example of nothing.
Question 6
Question
If lithium has an atomic number of 3 and a mass number of 7, the correct number of protons, neutrons, and electrons, respectively, is:
Answer
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3, 4, 3
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4, 3, 3
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3, 3, 4
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4, 4, 3
Question 7
Question
If Magnesium has an atomic number of 12 and a mass number of 24, the correct number of protons, neutrons, and electrons, respectively, is
Answer
-
8, 10, 12
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12, 12, 12
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12, 24, 12
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24, 12, 12
Question 8
Question
The chemical element number for Potassium is [blank_start]19[blank_end]
Question 9
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atomic number = number of [blank_start]protons[blank_end].
Question 10
Question
Which of the following are organic compounds? (3 answers)
Answer
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C2H4
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NaHCO3
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C2H5OH
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CH3COOH
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C02
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CuCO3
Question 11
Question
Metal atoms form positive ions (cations) by passing [blank_start]electrons[blank_end] to non-metal atoms.
Question 12
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A metal ion has fewer electrons (-) than protons (+), so has an overall positive charge.
Question 13
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Metal atoms transfer outer electrons to non-metal atoms, leaving a shell of [blank_start]eight[blank_end].
Question 14
Question
Group 1 elements have how many electrons in their outer shell?
Question 15
Question
The chemical number for Manganese (Mn) is
Question 16
Question
When non-metals react with each other they form covalent bonds, not ionic. The atoms share enough [blank_start]electrons[blank_end] to achieve the noble gas structure.
Answer
-
electrons
-
protons
-
neutrons
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covalent bonds
Question 17
Question
Which type of bonding does chlorine gas (Cl2) and ethanol (C2H5OH) have?
Question 18
Question 19
Question
A compound will have an ionic structure if it is made from
Question 20
Question
When Sodium reacts with Chlorine, Sodium will
Answer
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Share electrons with Chlorine
-
Swap electrons with Chlorine
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Give one electron to Chlorine
-
Take one electron from Chlorine
Question 21
Question
The giant ionic structure of an ionic compound is called an ionic lattice.
Question 22
Question
Ionic compounds are brittle and shatter when hit.