eng-fall07-q8059x02d5z

eng-fall07-q8059x02d5z - There is only one correct...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 2045C: Quiz 2 NAME ___________________________ N #_______________ Show your work for full credit Eng Q8059x02-delta-5-z Continued on the back Potentially helpful information 1 in = 2.54 cm (exactly) 1 lb = 453.59 g 1 L = 1.0567 qt ° C = 5 / 9 ( ° F – 32) K = ° C + 273.15 For full credit, show all of your work legibly , observe all significant figures rules, and box your answers. 1. (4 pts) Give the missing name or chemical symbol of the element, as appropriate, for the following. B ______________________ Au ______________________ silicon ______________________ sodium ______________________ 2. (2 pts) Iron melts at 2.800 × 10 3 ° F. What is the melting point of iron in Kelvin?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CHEM 2045C: Quiz 2 Eng Q8059x02-delta-5-z Show your work for full credit THE END 3. (5 pts) Convert 0.02500 ft 3 to cm 3 . 4. (3 pts) Match the following description to the appropriate scientist/philosopher by putting the letter next to the name.
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: There is only one correct description per scientist/philosopher. A. Described atoms as identical, indivisible, and indestructible. Madame Curie B. The Father of Modern Chemistry. C. Suggested atoms of certain substances can disintegrate, based on the discovery of the radioactive elements, Po and Ra. Ernest Rutherford D. Said matter is made up of indivisible atoma or atomos. E. Discovered the electron particle by studying cathode rays. F. Performed the oil-drop experiment, finding the charge of an electron. John Dalton G. Discovered radioactivity. H. Performed the gold-foil experiment which gave the experimental basis for proposing the nuclear model of the atom. 5. (1 pt) Determine the number of protons in 6 13 C . __________...
View Full Document

Page1 / 2

eng-fall07-q8059x02d5z - There is only one correct...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online