Flashcards in my cards Deck (17):
what is a compound?
a compound is where 2 atoms or more are combined.
what is a mixture?
a mixture is where there are 2 or more substances are mixed together but are not chemically bonded
what is an element?
a substance composed of a single kind of atom.
who made the periodic table?
what is an scientific word for burning?
how long did it take to make the periodic table?
over a year
when i use hydrogen and oxygen,what do i make?
how many groups are in the periodic table?
there are 8 groups in the periodic table
when we burn hydrocarbons, what do we usually get
carbon dioxide and water
what is combustion?
rapid chemical reaction between a substance and oxygen,involving the production of heat and light
what is H2O?
what is the smallest particle?
where do you find metals on the periodic table?
on the left
what are the 2 things that make carbon dioxide?
carbon and oxygen
what do we need to burn stuff?
when you add iron and sulfur what do we get?