Appendix A: Table of the Elements

element	atomic number ( Z)	isotopic mass (amu)	relative abundance	atomic weight (amu)	atomic density (atoms cm ^-3)	mass density (g cm ^-3)
H	1	1.0078	99.985	1.00794
		2.0141	0.015
He	2	3.0160	0.0001	4.002602
		4.0026	99.9999
Li	3	6.0151	7.5	6.941	4.60 10 ²²	0.53
		7.0160	92.5
Be	4	9.0122	100	9.01282	1.24 10 ²³	1.85
B	5	10.0129	19.9	10.811	1.30 10 ²³	2.34
		11.0093	80.1
C	6	12.0000	98.9	12.011	1.31 10 ²³	2.62
		13.0034	1.1
N	7	14.0031	99.63	14.00674	5.38 10 ²²	1.251
		15.0001	0.37
O	8	15.9949	99.762	15.9994	5.38 10 ²²	1.429
		16.9991	0.038
		17.9992	0.2
F	9	18.9984	100	18.9984032	5.38 10 ²²	1.696
Ne	10	19.9924	90.51	20.1797	2.69 10 ²²	0.901
		20.9938	0.27
		21.9914	9.22
Na	11	22.9898	100	22.989768	2.54 10 ²²	0.97
Mg	12	23.9850	78.99	24.305	4.31 10 ²²	1.74
		24.9858	10.
		25.9826	11.01
Al	13	26.9815	100	26.981539	6.03 10 ²²	2.70
Si	14	27.9769	92.23	28.0855	5.00 10 ²²	2.33
		28.9765	4.67

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Ion Implantation and Synthesis of Materials