SMP NEGERI 3 PONTIANAK

RISA HARIDZA, S.PdPHYSICS

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INTRODUCTION

ELEMENT AND COMPOUND

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STANDARD OF COMPETENCE / BASIC COMPETENCY

Standard of Competency3. Understanding the

element, compound, and mixture.

Basic Competency• 3.1. Explain the definition

of element, compound, and mixture.

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INDICATOR

Based on the examples of element and compound which are found by students or given by teacher, students can distinguish element and compound based on its constituent atom.Based on its constituent atom, students can declare the definition of element and compound.

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OBJECTIVE

Provide the examples of elements and its constituent atomProvide the examples of compound and its constituent atom.Mention the definition of element.Mention the definition of compound.

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CONTENT

Watch the video!!!!

..\Downloads\Video\Element and Compound.FLV

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CONTENT

ELEMENTDefinitionA pure matter which can not be decomposed into the simpler matters using an ordinary chemical reactionExampleOxygen (O), Hydrogen (H), and Sodium (Na)

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COMPOUNDDefinitionA pure matter which still can be disscociated into the other simpler substances trough an ordinary chemical reactionExample: NaCl (Salt), CaSo4 (Chalk), and H2O (water)

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PROBLEM

1. Mention the definition of element?2. Mention the element based on these following atomic symbols!: a. N, b. Na, c. Ne, d. Ni.3. Write the atomic symbol of the following elements: a. Oxygen, c. Sulfur, b. Hydrogen, d. Chlorine. 4. Mention the definition of compound?5. Write 3 examples of compound, its

atomic symbols, and its constituent atoms!