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Substances and stuff

Substances, elements, etc...

QuestionAnswer
A substance made of only one chemical is called... A pure substance
A substance made of only one atom is called... An element
A substance made up of more than one kind of atom chemical bonded together is called... A compound
A substance made up of two or more elements not bonded together is called... A mixture
A substance made up of two or more compounds not bonded together is called... A mixture
A substance made up of elements and compounds not bonded together is called... A mixture
Is butter a pure substance or a mixture? Mixture (fats, waters, etc.)
Is air a pure substance or a mixture? Mixture (oxygen, nitrogen, etc.)
Is water a pure substance or a mixture? Pure substance (compound)
Is gold foil a pure substance or a mixture? Pure substance (element)
Is glass a pure substance or a mixture? Pure substance (compound) (but reinforced glass is a mixture w/ boron)
Is wood a pure substance or a mixture? Mixture (fibers and stuff)
Is grass a pure substance or a mixture? Mixture (fibers and stuff)
Is carbon an element or a compound? Element (on periodic table)
Is aluminum foil an element or a compound? Element (on periodic table)
Is plastic an element or a compound? Compound (not on table)
Is tin an element or a compound? Element (on periodic table)
Is carbon dioxide an element or a compound? Compound (carbon + oxygen)
Is helium an element or a compound? Element (on periodic table)
Is arsenic an element or a compound? Element (on periodic table)
Is sodium chloride an element or a compound? Compound (stuff + stuff)
What is the difference between a compound and a mixture? A compound is chemically bonded (shares electrons) while a mixture is not (just atoms crammed in together)
Is alphabet soup a pure substance or a homogenous/heterogeneous mixture? Heterogeneous (you can see the noodles separate)
Is salt a pure substance or a homogenous/heterogeneous mixture? Pure substance (NaCL) (but table salt can be different because of iodine and drying agents)
Is concrete a pure substance or a homogenous/heterogeneous mixture? Homogeneous (concrete w/ rocks is heterogenous though)
Is vegetable oil a pure substance or a homogenous/heterogeneous mixture? Homogeneous (all looks like one thing of syrup)
Is air a pure substance or a homogenous/heterogeneous mixture? Homogeneous (all looks the same except with pollen, etc.)
Is paint a pure substance or a homogenous/heterogeneous mixture? Homogeneous if latex, heterogeneous if oil
Is sea water a pure substance or a homogenous/heterogeneous mixture? Heterogeneous (you can see the sand floating in it)
Is granite a pure substance or a homogenous/heterogeneous mixture? Heterogeneous (that's why it looks all flecked, etc.)
Is steel a pure substance or a homogenous/heterogeneous mixture? Homogeneous (it's an alloy; iron is the element)
Is sugar a pure substance or a homogenous/heterogeneous mixture? Pure substance (it has a formula but I'm not looking it up...)
How could a mixture appear homogeneous when you look at it, but actually be heterogeneous? If it separates over time (settling) when freshly stirred, it may look like one material, but in a few minutes/hours/days it'll look completely different.
Which of the types of matter can vary in composition between samples? Only mixtures can vary, because pure substances, compounds and elements all have the same ratios of elements in order to still be considered part of the original material.
What kind of changes can be used to separate mixtures? Physical
What kind of changes can be used to separate compounds? Chemical
What kind of changes can be used to separate elements? Nuclear
Is water boiling a chemical or physical change? Physical: Phase (L to G)
Is dry ice sublimating a chemical or physical change? Physical: Phase (S to G)
Is a goose roasting a chemical or physical change? Chemical: Color, Gas
Is a candle burning a chemical or physical change? Chemical: Light, Gas
Is salt dissolving in water a chemical or physical change? Physical: Shape/Phase (S to L)
Is TNT exploding a chemical or physical change? Chemical: Light, Gas
Is cider fermenting a chemical or physical change? Chemical: Color, Gas
Is an ice cube melting a chemical or physical change? Physical: Phase (S to L)
Is oil burning a chemical or physical change? Chemical: Gas, Light
Is food being digested a chemical or physical change? Chemical: Color...
Is a nail being magnetized a chemical or physical change? Physical: Well...not chemical...
Is gasoline evaporating a chemical or physical change? Physical: Phase (L to G)
Is sodium bicarbonate fizzing in acid a chemical or physical change? Chemical: Gas
Is milk turning into yogurt a chemical or physical change? Chemical: Precipitate
Is wood rotting a chemical or physical change? Chemical: Color, Gas (?)
Is metal being heated red-hot a chemical or physical change? Physical: Phase (S to L)
Is iron rusting a chemical or physical change? Chemical: Color
Is a tablet being crushed into powder a chemical or physical change? Physical: Shape
Are leaves changing color a chemical or physical change? Chemical: Color
Is brass tarnishing a chemical or physical change? Chemical: Color
Is alcohol vaporizing a chemical or physical change? Physical: Phase (L to G)
Is liquid butter solidifying a chemical or physical change? Physical: Phase (L to S)
Is iodine dissolving in hexane a chemical or physical change? Physical: Solution?
Is jello gelling a chemical or physical change? Physical: Phase (L to S)
Is glass breaking a chemical or physical change? Physical: Shape
Is grain being ground into flour a chemical or physical change? Physical: Shape
Is silver blackening a chemical or physical change? Chemical: Color
Created by: grotle_grovyle