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Nuclear Particle 5.2

QuestionAnswer
Which quantity represents the number of protons? atomic number
What identifies an element? proton/atomic number
Which quantity represents the number of protons and neutrons? mass number
The number of protons in a neutral atom is equal to the number of _______ electrons
What are isotopes? atoms of the same element (same number of protons) with different numbers of neutrons (different masses)
What is atomic mass average mass of all the naturally occurring isotopes of an element
What is the nuclear charge of an iron atom? +26
On a fraction the total number of protons and neutrons are where? in the numerator
On a fraction the protons are where? in the denominator
An atom in the ground state has two electrons in its first shell and six electrons in its second shell. What is the total number of protons in the nucleolus of this atom? 8
State, in terms of subatomic particles, how a deuteron differs from a triton they have a different number of neutrons
What is the number of electrons in an atom that has three protons and four neutrons? 3
Which notations represent different isotopes of the element sodium? 22Na and 23 Na
Which atom has a nucleolus that contains thirteen protons and fourteen neutrons? AI
What is the mass number of a carbon atom that contains six protons, eight neutrons, and six electrons? 14
What is the total number of neutrons in an atom of O-18? 10
What is the total number of neutrons in an atom of 7/3 Li 4
Statement that describes the distribution of charge In an atom A positively charged nucleus is surrounded by one or more negatively charged electrons
Electrons have what charge? negative
Protons have what charge? positive
Neutrons have what charge? zero
Which subatomic particles are located in the nucleolus of a carbon atom? protons and neutrons
The mass of a proton is approximately equal to the mass of a neutron
Created by: Kendrap
 

 



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