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chapter 1 lesson 1

atoms and molcues

QuestionAnswer
a mixture in which two or more substances are evenly mixed but not boned together homogeneous mixture
a mixture in which the substances are not evenly mixed heterogeneous mixture
two or more atoms that are held together by chemical bonds and act as a unit molecule
matter with a composition that is always the same substances
anything that has mass and takes up space matter
substance made of only one kind atom element
a small particle that is building block of matter atom
substance made two or more elements that are chemically joined in a specific combination compound
true or false gravity IS matter because it dose not have mass and volume false is not
true or false each type of ATOM has a different number of smaller particles true
true or false the COMPOSITION of a substance is always the same true
true or false the substances in a mixture ARE bonded together false are not
true or false all atoms of an ELEMENT are alike true
true or false the atoms in a MOLECULE are held together by chemical bond true
true or false ELEMENTS can be classified as metals, nonmetals, and metalloids true
true or false compounds are made of atoms of THE SAME ELEMENT bonded together false two or more elements
true or false soda is an example of HETEROGENEOUS mixture, or a mixture in which two or more substances are evenly mixed but not bonded together false homogenous
is granite a heterogeneous mixture or a homogeneous mixture heterogeneous mixture
is smoke a heterogeneous mixture or a homogeneous mixture heterogeneous mixture
is soda a heterogeneous mixture or a homogeneous mixture homogeneous mixture
is brass a heterogeneous mixture or a homogeneous mixture homogeneous mixture
is trail mix a heterogeneous mixture or a homogeneous mixture heterogeneous mixture
is air a heterogeneous mixture or a homogeneous mixture homogeneous mixture
is tap water a heterogeneous mixture or a homogeneous mixture homogeneous
is this a typical compound made of only one kind of atom no
is this a typical compound made of unbounded substance no
is this a typical compound is a substance yes
is this a typical compound made of elements that are bonded together yes
is this a typical compound represented by a chemical formula yes
is this a typical compound identity is not changed by changing the amount of its substances no
is this a typical compound is the smallest part of an element no
is this a typical compound is often made of molecules no
Created by: carreali2911