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Creado por Grace Kusimo
hace alrededor de 2 años
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Pregunta | Respuesta |
What are the linear particles in an atom called? | Sub-atomic particles. |
What are isotopes? | Isotopes are atoms with the same number of protons but a different number of neutrons. |
Which physicist and their students discovered the nucleus of an atom? | Ernest Rutherford. |
How are atoms perceived as to be like before the discovery of the nucleus? | Before the nucleus was discovered scientists thought the atom was like a plum pudding. |
What is the atomic number of an atom equal to? | The atomic number in an atom is equal to the number of protons and electrons. |
What is the mass number of an atom equal to? | The mass number in an atom is equal to the total number of protons and neutrons. |
What does an atom become when an electron is added or removed from it's outer shell? | A charged ion. |
“When ions have the same type of charge they _____ each other, whereas oppositely charged ions _______.” | “When ions have the same type of charge they attract each other, whereas oppositely charged ions attract.” |
What is the difference between an isotope and an element? | The atomic mass. |
Why is it that isotopes have a different atomic mass number but are of the same element? | Isotopes are atoms with the same number of protons but a different number of neutrons and though neutrons have no charge, they have an impact on the atomic mass of an atom, making it a different version of itself. |
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