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Parts & History of an Atom

Authored by Alexis Hudson

Science

9th - 12th Grade

NGSS covered

Used 29+ times

Parts & History of an Atom
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17 questions

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1.

CATEGORIZE QUESTION

3 mins • 8 pts

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thomson

,

(c) Rutherford

,

(d) Bohr

cathode ray tube

discovered the electron

gold foil experiment

had 4 postulates

discovered energy levels

discovered the nucleus

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

noticed the energies given off were always the same

Tags

NGSS.MS-PS1-1

2.

CATEGORIZE QUESTION

3 mins • 8 pts

Organize these options into the right categories

Groups:

(a) Dalton

,

(b) Thomson

,

(c) Rutherford

,

(d) Bohr

Media Image

discovered the electron

discovered the nucleus

discovered the atom

Media Image
Media Image

discovered energy levels

Media Image

Tags

NGSS.MS-PS1-1

3.

MATCH QUESTION

1 min • 5 pts

Match the following

proved the atom existed

Thomson

electrons are on energy levels

Dalton

nucleus is a positive mass in the middle

Rutherford

electron existed

Democritus

thought there was an atom

Bohr

Tags

NGSS.MS-PS1-1

4.

LABELLING QUESTION

1 min • 3 pts

Label the parts of the atom with the scientist that discovered it

a
b
c

Dalton

Bohr

Rutherford

Thomson

Tags

NGSS.MS-PS1-1

5.

CATEGORIZE QUESTION

3 mins • 11 pts

Organize these options into the right categories.

Groups:

(a) Proton

,

(b) Electron

,

(c) Neutron

negative

positive

equals the mass minus the number of protons

neutral

if it changes, the mass of the atom changes

equals the number of protons if it is neutral

dictates the atom's reactivity

equals the atomic number

dictate what the element is

dictates the atom's charge

if it changes, the element changes

6.

DROPDOWN QUESTION

1 min • 5 pts

Neutrons are ​ (a)   and are located ​ (b)   .

Electrons are ​ (c)   and are located ​ (d)   .

Protons are ​ (e)   and are located in the nucleus.

heavy
light
in the nucleus
on the outer shells

7.

DROPDOWN QUESTION

1 min • 3 pts

Neutrons are ​ (a)   .

Electrons are ​ (b)   .

Protons are ​ (c)   .

positive
negative
neutral

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