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Match it!
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The sum of the protons and neutrons in an atom.
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
Which describes an atom with an atomic number of 17
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
Which describes an atom with an atomic number of 6
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
Identify the atom with the atomic number 19
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
Which of the following statements best describes the nucleus of a neutral atom in terms of density and charge?
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
Atoms of the same element with different numbers of neutrons are called ____.
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
How many protons and neutrons in boron-11?
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
An atom has 20 protons, 20 electrons, and 20 neutrons. What is its mass number?
potassium
It is highly dense and positively charged.
5 p 6 n
isotopes
6 protons 6 neutrons
17 protons 17 electrons
40
atomic mass
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