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Worksheets17.2
Total questions: 12
Worksheet time: 6mins
What is AMU?
atomic mass unit
number that equals protons in atoms
sum of protons and neutrons in the nucleus
rounded decimal
What is the AMU measure?
atomic particles
atoms
protons
neutrons
What is the AMI for a proton and neutron?
1
2
3
8
what is the atomic number?
number that equals the number of protons in an atom
Sum of the number of protons and the number of neutrons in the nucleus
Atoms of the same element that have different numbers of neutrons
Weighted Average mass of the mixture of its isotopes
What does the atomic number identifies?
element
protrons
neutrons
electrons
What is the atomic numbers other name?
top number
bottom number
right number
left number
what is the mass number?
number that equals the number of protons in an atom
Sum of the number of protons and the number of neutrons in the nucleus
Atoms of the same element that have different numbers of neutrons
Weighted Average mass of the mixture of its isotopes
What is the formula to find the number of neutrons?
Number of neutrons = mass number - atomic number
Number of neutrons = atomic number - mass number
true or false: mass number is the rounded decimal
true
false
what are isotopes
atoms of the same element with different numbers of neutrons
weighted average mass of elements
what is the average atomic mass
weighted average mass of isotopes mixture
atoms of the same element
sum of protons and neutrons
measurement for atomic particles
average atomic number is ___________ to most abundant isotope
closest
farthest
bigger
smaller
