What is the ground state?

Electrons that occupy the lowest energy state

Same atom w/ different mass numbers/# of neutrons

What is not part of Dalton's Atomic theory?

Atoms can be divided, as in nuclear reactions

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Atom

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A quiz on the atom for 10th graders

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Questions 17

Answers

1
Who discovered the electron
Dalton
Thomson
Rutherford
Boyle
2
What is a particle with a positive charge called?
Neutron
Electron
Atom
Proton
3
What is the ground state?
When electrons lose energy
When electrons move to a higher energy state
Where the electrons are found
Electrons that occupy the lowest energy state
4
What elements are in this mixture?
Strontium and Cadium
Strontium only
Strontium and Lithium
Lithium and Cadium
5
What experiment did Thomson do?
Cathode Ray Tube
Oil Drop
Gold Foil Experiment
Plum Pudding Model
6
What did Dalton create
Cathode Ray Tube
The electron
Atomic theory
Plum Pudding Model
7
What is an isotope?
Different atoms with the same mass number
Same atom w/ different mass numbers/# of neutrons
Different atoms with same number of neutrons
Same atom with same mass number but different # of neutrons
8
What particles are located in the nucleus?
Neutrons and Electrons
Electrons and protons
Protons only
Protons and Neutrons
9
all parts of Dalton’s atomic theory are correct
False
True
10
What is not part of Dalton's Atomic theory?
Elements are made of atoms
All atoms of an element are identical in everyway
Atoms can not be created, destroyed, or duplicated
Atoms can be divided, as in nuclear reactions
11
What model is this?
Bohr Model
Billard Ball Model
Quantum Mechanical Model
Plum Pudding Model
12
What has a negitive charge
Proton
Electron
Neutron
13
What did Rutherford do?
Discover the nucleus
He had no part in chemistry
Discover the electron
Create the plum pudding model
14
What is the electron cloud?
Where electrons are found
Where neutrons are found
Where atoms are found
Where protons are found
15
What units are used to measure the mass of subatomic particles
Pounds (lb)
grams (g)
Kilograms (kg)
Atomic mass units (amu)
16
What model of the atom is this
Thomsons Plum Pudding Model
Bohr Model
Billard ball model
Dalton's Plum Pudding Model
17
Which electron configuration is in an excited state?
2-6-2
2-8-8-1
2-8-1
2-7

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