Exam Review Vocab (pt 2) Flashcards
1
Q
Atom
A
Basic building block of matter
2
Q
Atomic number
A
How many Protons(+) and Electrons(-) that are in that element’s atom
3
Q
Atomic mass
A
How many Protons(+) and Neutrons(Ø) are in an element’s atom’s nucleus
4
Q
Period
A
Horizontal row -> tells us # of electron shells
5
Q
Group
A
Vertical column -> # of valence electrons is in the 1’s digit of the group #
6
Q
Valence electrons
A
of electrons(-) in the most outer electron shell
7
Q
Metal
A
A solid material
8
Q
Nonmetal
A
An element or substance that is not a metal/solid