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Chemistry flashcards | Summer 2018


Those Crepes Are Safe Fam ツ
Flashcards by Those Crepes Are Safe Fam ツ, updated more than 1 year ago
Those Crepes Are Safe Fam ツ
Created by Those Crepes Are Safe Fam ツ over 4 years ago

Resource summary

Question Answer
What is an alloy? A metal made by combining two or more metallic elements
What does malleable mean? Able to be bent, rolled into sheets and shaped without them breaking.
What does ductile mean? Able to be drawn out into wires.
What does sonorous mean? The metal makes a ringing noise when hit.
What does magnetic mean? It has the power to attract.
What does dull mean? Dark, has no excitement, opposite of shiny.
What is a metal? A solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
What is a non-metal? An element or substance that is not a metal.
What clues can we use to see a chemical reaction? Bubbles of gas being giving off A change in temperature A colour change A change in mass.
What is at the top of the reactivity series? Potassium.
What is at the bottom of the reactivity series? Platinum.
How many elements are in the reactivity series? 15.
What is a Displacement reaction? Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
What is the reactivity series? A reactivity series is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest.
What is oxidation? The process or result of oxidizing or being oxidized.
What is an acid? A substance with a pH less than 7.
What does corrosive mean? That the acid can destroy skin and attack metals.
What does irritant mean? A substance that causes slight inflammation or other discomfort to the body.
What is an alkali? A substance with a pH over 7.
What pH is neutral on the pH scale? 7.
What does universal indicator do? Tells us what pH a substance is.
What is neutralisation? If we add a certain amount of acid to an alkali or a certain amount of alkali to an acid the substance will become neutral at a pH of 7.
What is titration? A titration is a technique where a solution of known concentration is used to determine the concentration of an unknown solution.
What is an antacid? (Chiefly of a medicine) preventing or correcting acidity, especially in the stomach.
What is correlation? The degree of linear relationship between two variables.
What does repeatable mean? Able to be done again.
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