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Which of the following statements are incorrect on how the mass of a single neutron, proton, and electron relate to each other?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which part of the atom determines how it will react with other elements?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which of these is NOT found in the nucleus of an atom?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which of the following is the same for both Nitrogen and Phosphorus?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which statement is true of the properties of Lithium, Sodium, and Potassium?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which of the following best describes one of the subatomic particles that could be found within the nucleus?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which of the following statements best explains why potassium (K) reacts easily with bromine (Br)?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
Which part of the atom is MOST important in determining an element's identity?
Protons
It has mass but no charge.
They are highly reactive.
The mass of an electron equals the mass of a proton.
Potassium needs one electron to complete its highest energy level, and bromine has an extra electron.
Number of valence electrons.
Valance electrons
Electrons
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