Atomic Theory/Structure

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thomson

,

(c) Rutherford

,

(d) Bohr

• discovered the electron

• discovered energy levels

• discovered the nucleus

• discovered the atom

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thomson

,

(c) Rutherford

,

(d) Bohr

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thomson

,

(c) Rutherford

,

(d) Bohr

• had 4 postulates

• noticed the energies given off were always the same

• cathode ray tube

• gold foil experiment

• discovered the electron

• broke substances down and realized the products were always in a fixed ratio

• discovered the nucleus

• discovered energy levels

Tags

NGSS.HS-PS1-1

An atom of Aluminum had a charge of +3, how many protons does aluminum have?

Tags

NGSS.HS-PS1-1

If this atom had a charge of positive 1, how many neutrons are in this atom on average?

An atom of sodium has a +1 charge, how many electrons would this atom of sodium have?

Tags

NGSS.HS-PS1-1

Label the parts of an atom.

a

b

c

d

e

outer shell

neutron

proton

nucleus

electron

Tags

NGSS.MS-PS1-1

Label the parts of an atom based on who discovered it.

a

b

c

JJ Thomson

Rutherford

Bohr

What is the atomic mass?

Tags

NGSS.HS-PS1-1

Match the following

• Negative Carbon Ion

• 
• Neutral Atom

• 
• Negative Boron Atom

• 
• Negative Atom

• 
• Positive Carbon Ion

• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2