Periodic Trends Flashcards
1
Q
cation
A
negatively charged atom
2
Q
anion
A
positively charged atom
3
Q
atomic number (Z)
A
of protons
4
Q
where is the atomic number located?
A
bottom
5
Q
mass number (A)
A
of protons + neutrons
6
Q
where is the mass number located?
A
top
7
Q
whats strongest at the top right of the periodic table
A
electron affinity; ionization energy
8
Q
whats weakest at the top right of the periodic table
A
atomic radius; mettalic character
9
Q
atomic radius
A
distance between nucleus & outermost electron shell
10
Q
ionization energy
A
energy required to remove an electron
11
Q
electron affinity
A
energy change when an electron is added to a neutral atom
12
Q
electronegativity
A
ability to attract electrons
13
Q
metallic character
A
how easily atoms lose electrons