
Isotopes and Radioactivity
Flashcard
•
Science, Chemistry, Physics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an isotope?
Back
An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons, resulting in a different atomic mass.
2.
FLASHCARD QUESTION
Front
What is the isotopic notation for Carbon-14?
Back
The isotopic notation for Carbon-14 is written as ¹⁴C, where 14 is the mass number.
3.
FLASHCARD QUESTION
Front
What particles are found in the nucleus of an atom?
Back
The nucleus of an atom is made up of protons and neutrons.
4.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
A proton has a positive charge.
5.
FLASHCARD QUESTION
Front
What is the charge of a neutron?
Back
A neutron has no charge (it is neutral).
6.
FLASHCARD QUESTION
Front
What does the symbol 'Mg' represent in the periodic table?
Back
The symbol 'Mg' represents the element Magnesium.
7.
FLASHCARD QUESTION
Front
What type of radiation consists of positively charged particles?
Back
Alpha radiation consists of positively charged particles.
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