Bridging test Flashcards
Relative Isotopic mass definition?
the mass of an isotope compared with 1/12th mass of an atom of carbon-12
Relative atomic mass At definition?
the weighted mean mass of an atom compared to 1/12th mass of an atom of carbon-12
What is a cation?
A positive ion that has less electrons than protons
What is an anion?
A negative ion which has more electrons than protons
What is an isotope?
Atoms of the same element which have the same number of protons but different number of neutrons
What can the number of protons determine?
The type of element the atom is
What is the mass of an electron?
1/1840
Hydroxide ion formula with charge?
OH-
Nitrate ion formula with charge?
NO3-
Carbonate ion formula with charge?
CO3 2-
Sulfate ion formula with charge?
SO4 2-
Ammonium ion formula with charge?
NH4+