Chapter 2: Q52E (page 126)
Question : Name the following compounds:
- NaF
- Rb2O
- BCl3
- H2Se
- P4O6
- ICl3
Short Answer
- Sodium fluoride
- Rubidium oxide
- Boron trichloride
- Hydrogen selenide
- Tetra phosphorus hexoxide
- Iodine trichloride
Chapter 2: Q52E (page 126)
Question : Name the following compounds:
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Get started for freeQuestion: Write the formulas of the following compounds:
(a) rubidium bromide
(b) magnesium selenide
(c) sodium oxide
(d) calcium chloride
(e) hydrogen fluoride
(f) gallium phosphide
(g) aluminum bromide
(h) ammonium sulfate
Write the molecular and empirical formulas of the following compounds:
a)
(b)
(c)
(d)
Click on the site (http://openstaxcollege.org/l/16PhetAtomMass) and select the โMix Isotopesโ tab, hide the โPercent Compositionโ and โAverage Atomic Massโ boxes, and then select the element boron.
(a) Write the symbols of the isotopes of boron that are shown as naturally occurring in significant amounts.
(b) Predict the relative amounts (percentages) of these boron isotopes found in nature. Explain the reasoning behind your choice.
(c) Add isotopes to the black box to make a mixture that matches your prediction in (b). You may drag isotopes fromtheir bins or click on โMoreโ and then move the sliders to the appropriate amounts.
(d) Reveal the โPercent Compositionโ and โAverage Atomic Massโ boxes. How well does your mixture match withyour prediction? If necessary, adjust the isotope amounts to match your prediction.
(e) Select โNatureโsโ mix of isotopes and compare it to your prediction. How well does your prediction comparewith the naturally occurring mixture? Explain. If necessary, adjust your amounts to make them match โNatureโsโamounts as closely as possible.
In what way are isotopes of a given element always different? In what way(s) are they always the same?
Determine the empirical formula for the following compounds:
a) caffeine, C6H10N4O2
b) fructose, C12H22O11
c) hydrogen peroxide, H2O2
d) glucose, C6H12O6
e) ascorbic acid (vitamin C), C6H8O6
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