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chemistry ch 16.3
mr halls class flashcards
Question | Answer |
---|---|
What is reactive? | Indicates how likley the element is to undergo a chemical change |
What is a non-metal? | Elements to the right side of the periodic table |
What are metalloids? | Elements that have properties of both metals and nonmetals |
What does radioactive mean? | It means unstable |
What is the half-life? | The amount of time it takes for one-half of the atoms in a particular sample to decay |
What is a metal? | Elements that are good conductors of electricity and heat and have a shiny appearance they are ductile and malleable |
radioactivity??? | The process by which atoms produce energy and particles |