Chemistry, 22.06.2019 08:40 jaueuxsn

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

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Chemistry, 21.06.2019 17:50, lm942747

Which best describes why nh4+ can form an ionic bond with cl-?

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What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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Particles vibrate in a rigid structure and do not move relative to their neighbors.

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