Potassium + water = potassium hydroxide + hydrogen

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart

[08.05] which answer provides the correct name for name the following hydrocarbon? (2 points) moving left to right: a hydrocarbon chain made of a methyl group (ch subscript three) single bond carbon triple bond carbon single bond ch bonded to a methyl group (ch subscript three) and a chain including a methelyne group (ch subscript two) single bond methyl group (ch subscript three). 4-ethyl-2-pentyne 4-methyl-2-hexyne 2-heptyne 4-methy-hexane

The electron–pair geometry of a molecule is tetrahedral. what is its bond angle if there are no lone pairs of electrons?