Reactivity is a chemical
property of a substance. According to EPA regulations, it is normally unstable
and readily
undergoes violent change without
detonating. it can explode or violently react when exposed to water, when
heated, or under STP.
Appropriate symbol for an isotope of potassium - 39 corresponding to the isotope notion r A ZX
<span>The superscripts in an electron configuration represents the number of electrons and protons in an element. </span>
They are a radioactive form of carbon, they are bad bc they have too many neutrons for its six protons, making it unstable