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Atomic Structure Flashcards | StudBud
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Atomic Structure
Dalton's atomic theory says
The number of protons in the nucleus of an element
Atomic Structure
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Chemistry Ch 4
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1
The number of protons in the nucleus of an element
mass number
atomic mass
atomic mass unit
atomic number
2
Dalton's atomic theory says
All elements are composed of atoms
Many atoms make up stuff
Elements can chemically change into another element
Atoms are always in motion
3
1/12 the mass of a carbon atom having 6 protons and 6 neutrons
atomic mass
atomic number
atomic mass unit
mass number
4
Atoms with the same number of protons, but different numbers of neutrons
atomic mass unit
isotope
atomic mass
atomic number
5
The smallest particle of an element that retains the properties of that element
nucleus
neutron
atom
electron
6
Dalton's atomic theory says
elements can be radioactive
Atoms of the same element are identical
Elements change under heat
An atom is made up of protons, electrons, and neutrons
7
The total number of protons and neutrons in the nucleus of an atom
atomic mass
atomic mass unit
atomic number
mass number
8
The central part of an atom, containing protons and neutrons
nucleus
neutron
electron
atom
9
A subatomic particle with no charge
electron
nucleus
neutron
atom
10
The weighted average of the masses of the isotopes of an element
atomic mass
atomic number
mass number
atomic mass unit
