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Physical 1.3

Unit 1 Chap 3 Atomic Structure

QuestionAnswer
The number of protons in one atom of an element atomic number
The weighted average mass of the isotope of an element atomic weight
A negatively charged subatomic particle outside the nucleus of an atom electron
An atom of an element that has the same atomic number but a different number of neutrons and a different mass number isotope
The sum of the number of protons and neutrons in an atom's nucleus mass number
A subatomic particle that has no charge in the nucleus of an atom neutron
The center of an atom that contains protons and neutrons and is surrounded by an electron cloud nucleus
A positively charged subatomic particle in the nucleus of every atom proton
A vertical column of elements in the periodic table group
An element that is usually hard, shiny, malleable, ductile, and a good conductor of heat and electricity metal
An element that is usually soft, not malleable or ductile, and a poor conductor of heat and electricity nonmetal
A horizontal row of elements in the periodic table period
An organized arrangement of elements in order of increasing atomic number with repeating physical and chemical property patterns periodic table
Popular Physical Science sets

 



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