Chemistry, 03.08.2019 20:00 raishagibson
Which statement best explains why elements are matter? an element is a physical substance that has mass and takes up space. elements are pure substances that cannot be divided chemically. each element is a pure substance composed of one type of atom. the building blocks of elements are small particles called atoms.
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Chemistry, 21.06.2019 16:00
Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right
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Chemistry, 22.06.2019 06:30
This drawing shows a human body system. what is the primary function of this body system?
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Chemistry, 22.06.2019 08:00
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
Answers: 1
Chemistry, 22.06.2019 19:30
Describe the forces both attractive and repulsive that occur as two atoms move closer together.
Answers: 1
Which statement best explains why elements are matter? an element is a physical substance that has...
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