type something
type something
What is the name of the 7 elements that have properties of both metals and nonmetals?
What particle determines the identity of an element?
Proton
What element family has multiple oxidation numbers/the number of electrons an atom wants to give or get.
Transition Metals
Who is known as the Father of Chemistry?
Dimitri Mendeleev
What element has an atomic mass of 238?
Uranium
Which family of elements are also known as the rare earth metals and have 6 energy levels?
Lanthanides
Figure out the number of electrons for each level for corbon
2) 4)
How does the Atomic Radii change as you go across a period/row?
It gets smaller
Which element family's name means salt former because they react so easily with the alkali metals?
Halogens
What element is a sold named after a state with 95 protons
americium
what is a mole
A mole of something means you have 602,214,076,000,000,000,000,000 of that thing