Atomic Sturcture And Periodic Table Flashcards
(10 cards)
1
Q
Atom
A
The smallest unit of matter that has the same amount of properties of an element
2
Q
Protons
A
Positively charge subatomic partials in the nucleus(+1)
3
Q
Neutrons
A
Neutral subatomic partial in the nucleus(0)
4
Q
Electrons
A
Negatively charged subatomic partial in the electron cloud outside the nucleus(-1)
5
Q
Nucleus
A
Center of an atom has protons and neutrons
6
Q
Atomic number
A
Number of protons identifies an atom
7
Q
Mass number
A
Number of protons and neutrons
8
Q
Group
A
Column on the periodic table has the same number of valance electrons
9
Q
Period
A
Rows on the periodic table
10
Q
Valence electron
A
Do you want electrons in in the outermost shell they determine reactivity.
