The Periodic Table Flashcards
1
Q
Group 1
A
Alkali metals
2
Q
Atoms within the same group
A
React in a similar way
3
Q
Group 8
A
Noble gasses
4
Q
Nonmetals properties
A
Brittle dull poor conductors of heat and electricity low boiling/melting point
5
Q
Proton
A
Positive charge particle in the nucleus of an atom
6
Q
Nuetron
A
Neutral charge particle in the nucleus of an atom
7
Q
Electron
A
Negatively charge particle in the nucleus of an atom
8
Q
Atomic number
A
Number of protons in the nucleus of an atom of an element
9
Q
Mass number
A
The total number of protons and neutrons in an atom’s nucleus
10
Q
Element
A
Pure substance that has only one type of atom
11
Q
Atom
A
Smallest unit of an element that maintains the properties of an element
12
Q
Periods
A
Horizontal rows of the table
13
Q
Groups
A
Vertical columns on the periodic table
