Select the true statements.
A) BF 3 has a trigonal planar shape.
B) Molecules wi...
Chemistry, 07.04.2020 23:39, crystalclear99
Select the true statements.
A) BF 3 has a trigonal planar shape.
B) Molecules with three outer atoms always have a trigonal planar shape.
C) NH 3 has a trigonal planar shape.
D) Trigonal planar molecules have three regions of high-electron density around the central at
Answers: 1
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The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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