Chemistry Unit Test Pt 2 Flashcards
Where are electrons found in an atom
In the orbit
Where are protons and neutrons found in an atom
Nucleus
What 3 things makeup an atom
Electron, proton, neutron
What is another name for groups
Families
What direction do groups go in
Up and down
What direction do periods go in
Horizontal (like a sentence)
What does the last # of a group number tell you?
of valences electrons
What does the # of of periods tellb you
of orbits
What are the 4 family’s called
Alkali metals, Alkali earth metals, halogens, noble gases
What family # is Alkali metals
Group #1
What group # is Alkaline Earth metals
2
What group # is Halogens
17
What group number is nobel gases
18
Nobel gases don’t undergo chemistry because…
They are stable
What are the two types on ions
Cations & anions