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3 cards from this section. Quick, good the night before a test.
What particles make up an atom?
Think about the smallest unit that retains chemical properties.
What does the atomic number represent?
It's a unique identifier for each element.
What is the charge of a proton?
Think about what attracts electrons!
True or False: Electrons are found in the nucleus.
Remember their position around the nucleus.
Given an element has 15 protons and 16 neutrons, identify its atomic number and mass number. What element is it?
Remember how to find both the atomic and mass number!
Explain why carbon-12 and carbon-14 are isotopes of carbon, and how different neutron counts affect their stability.
Think about how the number of protons defines the element!
6 more questions in this section. Enroll free to practise them all.
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