A positive ion.
What is a cation?
Group 17
What group makes a -1 ion?
The electron configuration of the nitride ion.
What is 1s22s22p6?
The formula for sodium fluoride.
What is NaF?
A negative ion.
What is an anion?
Group 16
What group makes a -2 ion?
The electron configuration of the calcium ion.
What is 1s22s22p63s23p6?
The formula for barium oxide.
What is BaO?
The electrons in the highest occupied energy level of an element’s atoms
What are valence electrons?
Group 2
What group makes a +2 ion?
The electron configuration of the phosphide ion.
What is 1s22s22p63s23p6?
The formula for lithium sulfide.
What is Li2S?
is the lowest whole-number ratio of ions in an ionic compound
What is a formula unit?
A symbolism used in chemistry that shows the number of valence electrons around the atomic symbol of the element.
What is an electron dot (Lewis) structure?
Group 1
What group makes a +1 ion?
The electron configuration of the lithium ion.
What is 1s2?
The formula for beryllium bromide.
What is BeBr2?
In cases where transition metals are not likely to have the same configuration as a noble gas due to the large number of electrons lost or gained, this is a favorable outcome that works similar to an octet.
What is a pseudo noble-gas electron configuration?
Model to explain the purpose or rule of atoms to react by either gaining or losing electrons in order to have the stable electron structure of a noble gas
What is the octet rule?
The formula for calcium phosphide.
What is Ca3P2?