1) The basic building blocks of matter, can't be separated into parts by chemical means a) element b) atom 2) The smallest particle of an element that has all of the properties of the element a) atom b) saturated 3) a positively charged particle in the nucleus of an atom a) solute b) proton 4) a negatively charged particle moving around the nucleus of an atom a) electron b) solvent 5) Combined with the solute that can be dissolved without changing temperature a) saturated b) atom 6) having a large amount of solute in a solution a) concentrated b) crystals 7) a substance with 2 or more elements held together by chemical bond and can't be separated a) compound b) electron 8) a metal that is a mixture of elements- ex: brass= copper and zinc a) mass b) alloy 9) the amount of matter in an object a) mass b) melting point 10) having a little solute in a solution a) dilute b) mass 11) the mass of a substance divided by its volume a) freezing point b) density 12) a measure of the pull of gravity on an object a) weight b) freezing point 13) the temperature a liquid starts to turn into a gas- 100 degrees celsius a) freezing point b) boiling point 14) The temperature a solid starts to melt a) boiling point b) melting point 15) The temperature a liquid starts to freeze a) freezing point b) boiling point 16) How many elements are in CO2? a) 2 b) none 17) particles in salts arrange themselves in geometric patterns to form_________ a) boxes b) crystals 18) When does dew form? a) when water vapor is cooled b) when water vapor is heated 19) what are some physical properties of metals? a) shiny, bendable, conduct heat b) icy, soft, and full of holes 20) The boiling point of a liquid changes with the amount of liquid a) true b) false

Science test- Atoms

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