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PS: FE 2
Question | Answer |
---|---|
radioactive decay that releases electrons | beta decay |
process where the body produces and uses energy from food | metabolism |
a damaged or incorrectly copied gene in the DNA | mutation |
process that involves splitting the atomic nucleus into smaller parts | nuclear fission |
substance composed of two or more types of atoms bonded together | compound |
pure substance | element |
an incomplete mixture where the molecules do not chemically bond together | heterogeneous mixture |
a complete mixture where the molecules chemically bond together | homogeneous mixture |
chemical bond where atoms share electrons | covalent bond |
chemical bond where atoms give and take electrons | ionic bond |