Atomic Structure
Atomic Structure 2
Misc.
History of the Atom
Electron Configuration
100

What number tells you the number of protons in an atom?

Atomic Number

100

What is the center of an atom called and what makes it up?

Nucleus, Protons and Neutrons

100
The 12 in Carbon-12 stands for?

Atomic Mass (Mass Number)

100

Plum Pudding Model of an Atom

JJ Thomson

100
How many electrons fit on the first energy level?
2
200

How do you figure out the number of neutrons?

Subtract the atomic number from the atomic mass

200
What particle has a positive charge?
Proton
200

Which element has a larger radius?  Ca or Br

Ca, calcium

200

Gold foil experiment, discovered the nucleus was dense and positively charged

Ernest Rutherford

200

What Element is this?

1s2 2s2 2p3

Nitrogen (N)

300

How do you find an element's atomic mass?

Add the number of neutrons and the number of protons together

300

What particle has no charge?

Neutron

300

Which element has a higher first ionization energy? Br or I

Bromine, Br

300

Planetary Model

Bohr

300
Figure out the number of electrons on each energy level for NEON
2) 8)
400

An isotope has the same number of protons, but a different number of these?

Neutrons

400
What particle has a negative charge?
Electron
400

Element with the highest first ionization energy?

He, Helium

400

Thought that atoms could not be broken down further.

Dalton

400

How many orbitals does sub-shell p contain?

3, each with 2 electrons

500

What does the term valence electrons mean?

number of electrons on outermost shell

500
What subatomic particle is not inside the nucleus?
Electrons
500

List the elements in order from the smallest atomic radius to the largest.   (Ga, O, B) 

O, B, Ga

500

What element is named after a state and has 153 neutrons?

Californium

500

What is an electron cloud model?

The electrons around the nucleus spinning so fast it looks like a cloud

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