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atoms and elements

6th grade science

what is a cow?animal
how are elements on the far right of the periodic table classified? nonmetals
elements are organized into the periodic table according to what? their atomic number
who's experiments led to the discovery of the electron thompson
how many atoms of calcium are in calcium phosphate, Ca3(PO4)? 3
T or F, nonmetals are gases at room temperature? T
T or F metals are poor conductors of heat F
T or F, matter is destroyed during a chemical change F
where is most of the mass of an atom found necleus
if an atom has 26 protons, 26 electrons and 30 neutrons, it's mass number is.. 56
are alpha particles classified as matter yes
does light have mass and take up space? no
All matter is made up of particles called.... atoms
what are the elements on the left side of the periodic table called metals
elements with properties of both metals and nonmetals are called metalloids
chlorine-35 and chlorine-37 are examples of isotopes
chlorine-35 and chlorine-37 have a different number of.... neutrons
Created by: victisha