605 Questions with complete solution 2024/2025 605
Descriptive Abbreviations - correct answer (s) solids
(l) liquids
(g) gas
(aq) aqueous- a substance dissolved in water
Determining State at Room Temperature - correct answer -All metals are solids except for mercury, which is a liq...
605
Descriptive Abbreviations - correct answer ✔(s) solids
(l) liquids
(g) gas
(aq) aqueous- a substance dissolved in water
Determining State at Room Temperature - correct answer ✔-All metals are
solids except for mercury, which is a liquid
-Most nonmetals are gases with these exceptions;
a) liquid-Bromine
b) solids-Carbon,Phosphorus, Sulfur, Selenium, Tellurium,and Astatine
-All metalloids are solids
-Ionic compounds are solids, unless stated otherwise
-Covalent compounds are liquids, unless stated otherwise
Synthesis - correct answer ✔-two or more substances combine to form a
more complex substance
-A+B ~ AB
-Fe(s)+S(s) ~ FeS(s)
-H2O(l)+SO3(g) ~ H2SO4(aq)
Decomposition - correct answer ✔-A single substance is broken down into
two or more simple substances
-AB ~ A+B
-2H2O(l) ~ 2H2(g)+O2(g)
-2HgO(s) ~ delta~2Hg(l)+O2arrow up (g)
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