Chapter 2 Lecture Problems

Protons, Neutrons and Electrons

1. ¹H Hydrogen
2. ²H Deuterium
3. ³H Tritium
4. ¹⁴C
5. ¹⁹F
6. ²⁶⁶Mt
7. ²⁷⁷112
8. Neon

Atomic Weight

1. Chlorine

Isotope	Exact Mass	Abundance	% abundance
35	34.9688530	999	75.5
37	36.9659	324	24.5

2. Bromine

Isotope	Exact Mass	Abundance	% abundance
79	78.9183320	999	50.5
81	80.9163	978	49.5

3. Mercury

Isotope	% Abundance
196	0.146
198	10.2
199	16.4
200	23.13
201	13.22
202	29.8
204	6.85

Mole Calculations

1. Calcluate the number of moles in 12.0 g of C, 24.0 g of C, 48.0 g of C, 1.0 g of C.
2. Calculate the mass of 1 mole of C, 2, mole of C, 3 mole of C, 0.01 mole of C.
3. Calculate the number of carbon atoms in 1 g of C.

Please send any comments, corrections, or suggestions to svanbram@science.widener.edu.

This page has been accessed times since 5/30/97.
Last Updated Friday, May 25, 2001 2:10:36 PM