The Atom Review

Atomic Theory Timeline

100

Created the Bohr Model

Who is Niels Bohr?

200

Created the nuclear model using the gold foil experiment?

Who is Ernest Rutherford?

300

The modern concept the Plum Pudding model mostly resembles.

What is a chocolate chip cookie?

400

The current model that describes the nucleus and its electrons.

What is the electron cloud model?

500

Created the first ever model called the solid sphere model in 1803.

Who is John Dalton?

Bohr Model

100

Particles found in the nucleus?

What are protons and neutrons?

200

The space where the electrons are located.

What is the electron cloud?

300

Particle that identifies the element a Bohr model is showing.

What are the number of protons?

400

Valence electrons.

What is the amount of electrons in the outermost shell?

500

 Maximum number of electrons outer shell.

What are 8 electrons?

Periodic Table

100

Isotope information not found on the periodic table.

What is the mass number?

200

Atoms of the same element with different numbers of neutrons.

What is an isotope?

300

Same as atomic number.

What is the number of protons?

400

What are the two forms of isotope notation?

What is hyphen form and nuclear form?

500

An ion.

What is a charged atom?

Average Atomic Mass

100

Relative atomic mass of 

Cl-35 75.77%

Cl-37 24.23%

What is 35.46 amu?

200

Relative atomic mass of 

Mg-24 78.99%

Mg-25 10%

Mg-26 11.01%

What is 24.30 amu?

300

Relative atomic mass of 

¹⁰B 19.9%

¹¹B 80.1%

What is 10.81%?

400

Relative atomic mass of

⁶Li 7.59%

⁷Li 92.47&

What is 6.94 amu?

500

Relative atomic mass of

Ne-20 90.48%

Ne-21 0.27%

Ne-22 9.25%

What is 20.19 amu?

Atomic Calculations

100

Mass number of Magnesium with

Atomic number: 12

Number of protons: 12

Number of neutrons:12

Number of electrons: 12

What is 24 amu?

200

Number of neutrons in Uranium with

Atomic number: 92

Mass number: 238

Number of protons: 92

Number of neutrons:?

Number of electrons: 92

What is 146 amu?

300

The nuclear notation of this atom

Element: ?

Atomic number: ?

Number of protons: 11

Number of neutrons: 13

Number of electrons: 11

What is ²⁴Na?

Atomic number: 11

Number of neutrons: 13

400

The nuclear notation of this ion.

Number of protons: 20

Number of neutrons: 20

Number of electrons: 18

What is ⁴⁰Ca⁺²?

Number of protons: 20

Number of neutrons: 20

500

The missing information of this element.

Element: Oxygen-17

Atomic number: ?

Mass number: ?

Number of protons: ?

Number of neutrons: ?

Number of electrons: ?

What is....

Atomic number: 8

Mass number: 17

Number of protons: 8

Number of neutrons: 9

Number of electrons: 8