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Inside the Atom

QuestionAnswer
What are the three main subatomic particles that make up an atom? Protons, neutrons, and electrons
What charge does a cation carry? Positive charge
What happens to an atom when it gains an electron? It becomes a negatively charged ion (anion)
What is the primary function of electrons in an atom? They create an electron cloud around the nucleus.
What is a molecule? A group of two or more atoms bonded together.
What occurs during nuclear decay? An unstable atomic nucleus emits particles and energy.
What determines the atomic number of an element? The number of protons in the nucleus.
Which of the following describes an anion? A negatively charged ion that has gained electrons.
What is the process called when an unstable atomic nucleus emits particles and energy? Nuclear decay
What is a crystal lattice? A three-dimensional structure formed by a repeating pattern of atoms or molecules.
Which of the following is a common application of carbon dating? Determining the age of ancient organic materials, such as fossils.
What defines a radioisotope? An isotope that is unstable and undergoes radioactive decay.
Created by: rubyjean
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