Chemistry, 17.09.2019 05:00 rehooreh14
Which of the following statements is false? a) anions are usually larger than their corresponding atom. b) metals tend to form cations. c) atoms are usually larger than their corresponding cation. d) the halogens tend to form 1+ ions. e) nonmetals tend to gain electrons.
Answers: 2
Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
Chemistry, 22.06.2019 11:00
Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean
Answers: 2
Chemistry, 22.06.2019 23:00
What element has similar physical and chemical properties as boron.
Answers: 1
Which of the following statements is false? a) anions are usually larger than their corresponding at...
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