CL 2- atoms, ions and compounds Flashcards
1
Q
isotope
definition
similarities & differences
A
element with a different no. of neutrons
different physical properties and masses, same chemical properties
2
Q
relative isotopic mass
definition
A
the mass of one isotope compared to 1/12th of the mass of 1 carbon-12 atom
3
Q
relative atomic mass
definition
A
the weighted mean mass of an atom compared to 1/12th of the mass of 1 carbon-12 atom
4
Q
nitrate
formula
A
NO3⁺
5
Q
ammonium
formula
A
NH₄⁺
6
Q
electron relative mass
A
1/1836
