Chapter 17 Flashcards
0
Q
Nucleus
A
Center of a cell and the “brain”
1
Q
Atom
A
Smallest piece of matter
2
Q
Protons
A
Positively charged particles
3
Q
Neutrons
A
Neutrally charged particles
4
Q
Electrons
A
Negatively charged particles
5
Q
Quarks
A
Make up protons and neutrons
6
Q
Electron Cloud
A
The area where the electrons are found by an atom
7
Q
Atomic number
A
Number of protons in an atom
8
Q
Mass number
A
Addition of protons and neutrons in an atom
9
Q
Isotopes
A
Aroma of he same element with different numbers I neutrons
10
Q
Average atomic mass
A
Average mass of its mixture of isotopes
11
Q
Periodic table
A
Table listing all of the elements
12
Q
Groups
A
The vertical groups of elements on the periodic table
13
Q
Electron not a diagram
A
Uses symbol for the neutrons on the outside of re shell
14
Q
Periods
A
Rows of elements on the periodic table
