Atoms review Flashcards

1
Q

Explain how a mass spectrometer works. What kind of information can be determined from a mass spectrum?

A

It turns atoms into ions, and then uses an electric and magnetic field to to seperate the ions to measure the mass to charge ration that can be used to calculte the weight of the sample components

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2
Q

Describe the plum-pudding model of the atom.

A

An atom is a spherical ball of positive charge containing negatively charged electrons.

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3
Q

What did John Dalton formulate

A

An atomic model that attempted to expalin matter in terms of atoms and their properties.

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4
Q

Which statements about subatomic particles are true

A

a. If an atom has an equal number of protons and electrons, it
will be charge-neutral.
b. Electrons are attracted to protons.
c. Electrons are much lighter than neutrons.

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