Buy here : http :// homework . plus / chem-131-midterm-examination /
Buy here : http :// homework . plus / chem-131-midterm-examination /
1 . Who discovered the atomic theory ?
2 . Who discovered the law of conservation of mass ?
3 . A lead ball has a mass of 49.0 grams and a density of 11.3 g / cm 3 . What is the volume of the ball ?
4 . What is the volume in mL of a cube of water with dimensions 11.0 cm × 11.0 cm × 11.0 cm ?
5 . When the value 98.54 is rounded to two significant figures , the number should be reported as
6 . Given the sequence of temps below , which one represents the Fahrenheit boiling , room temp , and freezing points of water , in that order ?
7 . How should someone classify grape juice ?
8 . Gallium metal will melt in your hand . Which of the following is a true statement about this process ? It represents a _______.
9 . If a nickel atom formed an ion , what charge would it have ?
10 . The elements located in groups 3B through 2B are known as
11 . Which of these can be found in the nucleus ?
12 . What would be the proper way to write the ion formula for acetate ?
13 . When naming Na 3 PO 4 , it cannot be trisodium phosphate . Why ?
14 . We discussed diatomic molecules in this lesson . Which of these would NOT be classified in that category ?