grade 9 chemistry unit 4 part 1 new curriculum periodic classification of elements

#ethiopianeducation #newcurriculum #newtextbook

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mashallah

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good

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please unit 5 CHEMICAL BOUNDING

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Pls unit 5

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Baayyee sinan jaalladha afaan oromoo n barsiisaa

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Not group 7 but group 8 be periodic table lay 8 group and 7 period new yalew

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please unit 5

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Ende 4.2 mendeelive theory yetale

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Demesesh yamral

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group zelashal