What is radioactive dating wikianswers
Brass is an alloy made primarily of copper and zinc.
The proportions of the copper and zinc are varied to yield many different kinds of brass. However, the amount of copper may range from 55% to 95% by weight, with the amount of zinc varying from 5% to 40%.
Chloroflurocarbons have been banned in an attempt to protect the...
The 12 in Carbon-12 designates the isotope which has an atomic mass of 12. Carbon has an atomic number of 6, therefore it has 6 protons. Carbon 14 is another isotope of carbon, still having 6 protons, but has 8...
Sodium does not have naturally occurring radioactive isotopes - as it has only 1 naturally occurring isotope, which has 11 protons and 12 neutrons, and is not radioactive.
However, the 18 other known types of sodium isotopes are all radioactive, and sodium-22 (the most stable radioactive sodium...
Deuterium (heavy hydrogen) nuclei and tritium nuclei to form heliumnuclei.
This comes from lithium deuteride in modern "dry" hydrogen bombs.