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Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their compositi

By Amaya

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances​

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Amaya

If 1 is a root of x^2+4x-k=0 then the other root is _______ [ ]
4 B) -4 C) 5 D) -5
please send it fast

Exercise 7.2
c. 1, 5, 5, 25
f. 21, 15, 9.6
1. Which of the following are in proportion
a. 12. 16. 21. 28

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