Chemistry, 30.06.2019 14:00 livvyr0cks
Which of these are an alloy . brick , tile , bronze , brass , steel glass ?
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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Describe the interaction that occurs between two objects with the same electrical charge.
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Chemistry, 22.06.2019 06:40
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
Chemistry, 22.06.2019 18:30
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
Answers: 2
Which of these are an alloy . brick , tile , bronze , brass , steel glass ?...
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