Multiple Choice
What is the atomic number of magnesium?
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2. Atoms & Elements
The Atom
Multiple Choice
Which one of the following statements about atoms and subatomic particles is correct?
A
Protons have no charge.
B
Neutrons have a positive charge.
C
Electrons are found in the nucleus of an atom.
D
Protons and neutrons have approximately the same mass.
Verified step by step guidance1
Understand the basic structure of an atom: Atoms consist of a nucleus containing protons and neutrons, with electrons orbiting around the nucleus.
Recall the charges of subatomic particles: Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.
Identify the location of subatomic particles: Protons and neutrons are located in the nucleus, while electrons are found in orbitals around the nucleus.
Compare the masses of protons and neutrons: Protons and neutrons have approximately the same mass, which is significantly larger than the mass of electrons.
Evaluate the given statements based on the above information: The statement 'Protons and neutrons have approximately the same mass' is correct, as it accurately describes the relative masses of these subatomic particles.
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