neon, argon, helium are all in what group
What is noble gases
what do you call an atom that gained electrons, becoming negative
What are anions
group of elements that have properties of both metals and non-metals
What is metalloids or semiconductors
gold, silver, platinum are in what group
What is transition metals
an atom that loses electrons and becomes positive
what are cation
The first column of elements on the table all have __ valence electron(s)
what is one
the vertical columns of elements are called
What is a group
chlorine, bromine, fluorine all belong to what group
What are halogens
name one of the metalloids
What is boron, silicon, germanium, arsenic, tellerium, antimony
the neutral particles in the nucleus of an atom
What are neutrons
magnesium, calcium, barium are all in what group
What are alkaline earth metals
which group is very reactive, because they only have one valence electron
What are Alkali metals
sodium, potassium, lithium all belong to what group
What are alkali metals