Multiple Choice
How many neutrons are in a typical lithium atom with an atomic mass of 7?
603
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2. Atoms & Elements
Isotopes
Back2. Atoms & Elements
Isotopes
- Multiple ChoiceWhich of the following is correct for isotopes of the same element?114views
- Multiple ChoiceWhat is the mass number of an iron atom that has 28 neutrons?117views
- Multiple ChoiceWhich subatomic particle is found in the nucleus of an atom and has a positive charge?578views
- Multiple ChoiceWhich neutral atom has 5 valence electrons and 7 neutrons?119views
- Multiple ChoiceHow many neutrons are present in the isotope germanium-75?95views
- Multiple ChoiceHow does one isotope of a particular element differ from another isotope of the same element?125views
- Multiple ChoiceWhich of the following statements best describes an isotope?144views
- Multiple ChoiceGallium has two naturally occurring isotopes, 69Ga and 71Ga. If the atomic mass of gallium is 69.72 amu, which isotope is more abundant?101views
- Multiple ChoiceA sample of chlorine contains two naturally occurring isotopes: chlorine-35 (mass = 34.969 u, abundance = 75.78%) and chlorine-37 (mass = 36.966 u, abundance = 24.22%). What is the average atomic mass of chlorine?106views
- Multiple ChoiceZinc has an atomic number of 30. How many neutrons are present in the most abundant isotope of zinc, Zn-64?180views
- Multiple ChoiceCan the atomic mass of an element vary, and if so, what is the reason for this variation?133views
- Multiple ChoiceWhich noble gas isotope has exactly 48 neutrons?90views
- Multiple ChoiceAn isotope of mercury has 80 protons and 120 neutrons. What is the mass number of this isotope?146views
- Multiple ChoiceIf the haploid number of sphagnum moss is 19, what is its diploid number?527views