chemistry review jeopardy. chemical symbol for lead
TRANSCRIPT
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Chemistry Review Jeopardy
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Chemical symbol for lead.
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What is “Pb”.
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mass Volume
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What is the formula for calculating Density.
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Other than “difficult to reverse”, these are four indicators of a chemical
change.
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1. Colour change.2. Precipitate forms.3. Gas is formed (usually
indicated by bubbles/effervescence).
4. Energy (heat or light) is given off.
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The period (row) number tells you this.
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What is the number of orbits/shells.
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In an atom, the number of protons = the number of
electrons, which is equal to…
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The Atomic Number.
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The ionic charge is determined by the
group/column number, which relates to this important
information.
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What is the number of valence (last orbit) electrons.
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Group 1 metals.
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What is Alkali Metals.
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Group seven nonmetals.
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What are the Halogens.
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A metal + a nonmetal forms this kind of compound.
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What is an Ionic Compound.
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Charge for Lithium.
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What is 1+.
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Charge for Sulfur.
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What is 2-.
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Show how aluminum and oxygen form a compound,
write the chemical formula.
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Al3+ O2-
Al2O3
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Name this compound: MgF2.
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What is Magnesium fluoride.
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These elements are most commonly found as diatomic compounds (two of the same
element).
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What are: H, N, O, F, Cl, Br, I.
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What’s the difference between an Ionic bond and a
Covalent bond?
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Ionic bonds are between two ions, formed when electrons
are given/taken; Covalent bonds are stronger, between two nonmetals, and formed
by the sharing of two valence electrons.
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These elements do not generally react.
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What are the Noble Gases (group 8).
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Draw a Bohr-Rutherford diagram for Phosphorus.
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State, lustre, odour, texture, malleability, density, etc. are
examples of…
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What are “physical properties”.
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The information that a subscript tells you.
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How many atoms of the element to the left.
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A coefficient number is located here and tells you…
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In front (to the left) of the chemical formula, and tells you how many molecules
there are.
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How many atoms of hydrogen are in a molecule of glucose?
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What is 12.
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Ammonium sulfate, (NH4)2SO4 has this many atoms of each
element…
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2 Nitrogen8 Hydrogen1 Sulfur4 Oxygen
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A glowing splint that re-ignites indicates that this gas is
present.
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What is Oxygen.
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How do you test for Hydrogen gas?
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Place a flaming splint to the mouth of the test tube and listen for a “popping” noise.