Parts of an Atom
Vocabulary
Atomic Number
Atomic Mass
Chemical Symbol
Label an Atom
Periods
Groups
100
The positive particle in an atom
proton
100
The center of an atom
nucleus
100
What is the atomic number of silver?
47
100
What is the atomic mass of mercury?
200.592
100
What is the chemical symbol of oxygen?
O
100
Which letter is the proton?
A
100
Which period is helium in?
1
100
Which group is Lithium in?
1
200
The particle that orbits around the nucleus of an atom
electron
200
The smallest building block of matter
atom
200
What is the atomic number of xenon?
54
200
What is the atomic mass of krypton?
83.798
200
What is the chemical symbol of Aluminum?
Al
200
Which letter is the electron shell or orbit?
D
200
Which period is argon in?
3
200
Which group is Fluorine in?
17
300
The particle with no charge (neutral)
neutron
300
A substance that cannot be broken down into a simpler substance
element
300
How many protons does Nickel have?
28
300
How many neutrons does boron have?
6
300
What is the chemical symbol of potassium?
K
300
Which letter is the electron?
C
300
Which period is iodine in?
5
300
Which group is Barium in?
2
400
The particle with a negative charge
electron
400
Anything that has mass and takes up space
matter
400
How many electrons does tin have?
50
400
How many neutrons does nickel have?
31
400
What is the chemical symbol of radon?
Rn
400
Which letter is the neutron?
B
400
Periods tell us how many __________________ an elements has
electron shells
400
Which group is Tellurium in?
16
500
The particles that are located in the nucleus
protons and neutrons
500
two or more atoms bonded together
molecule
500
What does the atomic number represent in a neutral atom?
Number of protons and the number of electrons
500
What does the atomic mass represent in an atom?
Number of protons plus number of neutrons
500
What is the chemical symbol of manganese?
Mn
500
Which letter is the nucleus?
E
500
Periods on the periodic table are the ____________________
horizontal rows
500
Groups on the periodic table are the __________________________
vertical columns