Mixture and Compounds
What is an example of a mixture?
What is a physical combination of two or more substances that are not chemically bond and can be physically separated? (ie air, pizza, salad, etc.)
This is a product when potassium (K) reacts with chlorine (Cl₂).
What is KCl?
This number represents the number of protons and neutrons in an element.
What is the mass number?
This happens to particle motion as the temperature decreases.
What is particles slow down?
This happens to the solubility of gases in water when pressure increases.
What is it increases solubility?
This is an example of a compound
What is a substance with two or more elements chemically bound?
This set of coefficients correctly balances the equation: __N₂ + __H₂ → __NH₃.
What is 1, 3, 2?
This is a typical property of nonmetals.
What is poor conductors of heat?
This is an example of a chemical property of matter.
What is flammability?
This pair will form a precipitate when mixed.
What is a Cl, Br, or I with Ag, Hg, or Pb?
What is a Carbonates (CO3-2) unless it is bound to Ammonium (NH4+) or a group 1 element?
What is a hydroxide (-OH) except with bound to a Group 1 element of Ba, Sr, or Ca?
What is a Sulfide (S2) except when bound to NH4+, Group 1, or 2 element?
(ie Pb(NO₃)₂ + NaI)
This is the shorthand electron configuration for magnesium (Mg)
What is [Ne] 3s²?
This is the product of the combustion of methane (CH₄).
What is CO₂ and H₂O?
This is electronegativity.
What is the measure of an atom's ability to attract electrons?
This is not an example of a physical property.
What is ability to corrode?
This is the molarity if a solution contains 4 moles of solute in 1.5 L of solution.
What is 6M?
This type of bond forms between two nonmetals.
What is a covalent bond?
This precipitate forms when solutions of Silver Nitrate (AgNO₃) and Sodium Chloride (NaCl) are mixed.
What is AgCl?
This is not ionization energy.
What is energy required to form an ionic bond?
This is the correct electron configuration for nitrogen (N).
What is 1s² 2s² 2p³?
This method would best separate a solid in an aqueous solution.
What is filtration?
This is the correct electron configuration for nitrogen (N).
What is 1s² 2s² 2p³?
This is the symbol for a precipitate in a chemical equation.
What is (s)?
This is the shorthand electron configuration for potassium (K).
What is [Ar] 4s¹?
This is the molar mass of water (H₂O).
What is 18 g/mol?
This is the limiting factor if you have 15 slices of cheese, 8 hamburger buns, and 10 hamburgers.
What is hamburger buns?