Chem 1311 exam 1 review - Study guides, Class notes & Summaries

1. Which of the following is an example of a quantitative observation? A) The piece of metal is longer than the piece of wood. B) Solution 1 is much darker than solution 2. C) The liquid in beaker A is blue. D) The temperature of the liquid is 60°C. E) At least two of the above (A-D) are quantitative observations. ____ 2. Which element does not exist naturally on earth? A) Bismuth B) Uranium C) Lanthanum D) Technium E) Protacinium ____ 3. 8.1 milligram(s) contains this many grams. ...

Chem 1311 Review 1Multiple ChoiceIdentify the choice that best completes the statement or answers the question. ____1.Which of the following statements isincorrect?a.A body in motion possesses kineti c energy becauseof its motion.b.An object possesses potential energy because of itsposition or composition.c.Nuclear energy is an important kind of potentialenergy.d.Chemical reactions and physical changes thatrelease energy to their surroundings areendothermic.e.The Law of Conservation of Matter an...

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group? 1) A) ns2np5 B) ns2 C) ns1 D) ns2np6(n -1)d6 E) ns2np4 2) Which of the following is the electron configuration for the bromide ion? 2) A) [Kr]5s24d105p7 B) [Xe] C) [Kr] D) [Ar] E) [Ar]4s23d104p7 3) Valence electrons are electrons located 3) A) in the out...