Answers: 1
Biology, 21.06.2019 16:00
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
Answers: 2
Biology, 21.06.2019 19:50
After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .
Answers: 3
Hey talk to me please im bored...
English, 29.01.2021 22:30
Advanced Placement (AP), 29.01.2021 22:30
Mathematics, 29.01.2021 22:30
History, 29.01.2021 22:30
Mathematics, 29.01.2021 22:30
English, 29.01.2021 22:30
Chemistry, 29.01.2021 22:30
Social Studies, 29.01.2021 22:30
Mathematics, 29.01.2021 22:30
Mathematics, 29.01.2021 22:30
Mathematics, 29.01.2021 22:30