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Biology Test 9/28/23

QuestionAnswer
What is an atom? The basic unit of matter
What is the nucleus? The center of an atom, which contains protons and neutrons
What is a proton? A positively charged ion; in the nucleus
What is an electron? A negatively charged ion; in electron cloud
What is a neutron: A group of particles with no charge; in the nucleus
What is an element? A pure substance made up of only one kind of atom
What is an isotope? A single element, with the same number of protons, but different number of neutrons
What is a compound? A substance formed by the chemical combination of two or more elements
What is an ion? An atom with a positive charge or a negative charge
What is an ionic bond? Where atoms transfer electrons to other atoms; strongest bond
What is a covalent bond? Where atoms share electrons with each other- the result is a molecule; 2nd strongest force
What is van der Waals forces? Weak forces/interactions; weakest force
Created by: IndiGaming
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