The Atom (Lesson 1 review)
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Last updated about 6 years ago
9 questions
1
What is the atomic number of this atom?
What is the atomic number of this atom?
1
Who first thought of the idea of atoms?
Who first thought of the idea of atoms?
1
Isotopes are atoms with a positive or negative charge.
Isotopes are atoms with a positive or negative charge.
2
What does the mass number tell us about an atom?
What does the mass number tell us about an atom?
2
What is the mass number of a boron isotope with 5 protons, 6 neutrons, and 5 electrons?
What is the mass number of a boron isotope with 5 protons, 6 neutrons, and 5 electrons?
1
In the current model of the atom, where are the electrons found?
In the current model of the atom, where are the electrons found?
1
Which particle in an atom has the least mass?
Which particle in an atom has the least mass?
2
Describe the contribution that Ernest Rutherford made to the atomic theory.
Describe the contribution that Ernest Rutherford made to the atomic theory.
1
If I took away one electron from the Bohr model in question one, it would become a positive ion.
If I took away one electron from the Bohr model in question one, it would become a positive ion.