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Chapter 2 Objectives

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define matter

Any substance that occupies space and has mass

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define elements

Unique forms of matter with specific and physical properties that CANNOT be broken down into similar substances by ordinary chemical reactions

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{"id":2438432,"question_id":"565324","created_at":"2018-09-14 22:00:00","updated_at":"2018-09-14 22:00:00","answerTitle":"Unique forms of matter with specific and physical properties that CANNOT be broken down into similar substances by ordinary chemical reactions","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Recognize the symbols/names of the most common elements in organisms

Carbon (C) Hydrogen (H) Oxygen (O) Nitrogen (N)

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{"id":2438435,"question_id":"565325","created_at":"2018-09-14 22:01:46","updated_at":"2018-09-14 22:01:46","answerTitle":"Carbon (C)\r\nHydrogen (H)\r\nOxygen (O)\r\nNitrogen (N)","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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Describe the arrangement of subatomic particles in atoms

The nucleus consists of protons and neutrons. Most of the mass of the atom comes from the nucleus. Electrons are found moving around the nucleus.

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{"id":2438436,"question_id":"565326","created_at":"2018-09-14 22:03:24","updated_at":"2018-09-14 22:03:24","answerTitle":"The nucleus consists of protons and neutrons. Most of the mass of the atom comes from the nucleus. Electrons are found moving around the nucleus. ","isAnswerCorrect":"1","isAnswerBlank":null,"isInSecondMatchingColumn":null,"sequenceOrder":null,"lang":"","type":0}

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