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Subatomic Particles
Vocabulary
P.T.E.
Bohr Models
Groups/Periods
100
How many main subatomic particles are in an atom?
3
100
What surrounds the nucleus ?
The Electron cloud
100
Carbon cannot be broken down into anything smaller therefore it is an?
Element
100
What do all Bohr models must have ?
Protons,electrons,nucleus,neutrons
100
What are the columns on a P.T.E. called?
Groups
200
Can electrons jump to another atom?
yes
200
What are protons?
A positively charged subatomic particle of the nucleus & contribute to the weight
200
The Periodic Table of Elements is based on what?
Atomic number
200
How many protons does Hydrogen have?
1
200
Are all elements are in rows and columns?
Yes
300
Which to particles determine what the charge of the atom is?
Protons & Electrons
300
What is an atom?
The smallest unit of an element that has all the properties of that element containing a nucleus within an electron cloud
300
The sum of the protons & neutrons in the nucleus is called?
The mass number
300
How many protons does Cl have?
17
300
What two elements are odd balls on the P.T.E.?
Hydrogen, Helium
400
What determines the identity of an atom?
Protons
400
What is an electrical charge ?
A form of charge either +,-,or 0
400
An atom of an element belonging to the halogen family has how many electrons?
All the outer ring electrons but one
400
What is the mass number?
The number of protons and electrons
400
How many periods are on the P.T.E. ?
7
500
What two subatomic particles touch in an atom?
Neutrons & Protons
500
What is the net charge?
The sum of the - & + charges
500
Does neon belong to the alkali metal family of elements?
No
500
How many electrons can fit on the first the electron shells?
2,8,18
500
As you go right down the column what grows on the elements?
Electrons