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A pure substance
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
Isotopes are
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
The mass number of an atom is
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
In a compound formed between ions
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
The volume of an atom is mostly made up of
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
The plum pudding model of the atom was proposed by
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
He discovered the atomic nucleus
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
The average atomic mass of boron atoms is 10.8. Which of the following is not true?
Atoms of the same element with different mass numbers
J.J. Thomson
empty space
The number of positive charges must equal the number of negative charges
All boron atoms have a mass of 10.8.
Ernst Rutherford
The total number of particles in its nucleus
may be a compound or an element
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