2007-03-15 14:21:23 · 6 answers · asked by oscar o 1 in Science & Mathematics ➔ Chemistry
hardness, conductivity-resistance and density
2007-03-15 14:25:21 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Water is the chemical substance with chemical formulation H2O: one molecule of water has 2 hydrogen atoms covalently bonded to a single oxygen atom. Water is a tasteless, odorless liquid at ambient temperature and tension, and looks colorless in small parts, in spite of the reality that it has its very own intrinsic very gentle blue hue. Ice additionally seems colorless, and water vapor is basically invisible as a gas.[3] Water is generally a liquid below prevalent circumstances, which isn't envisioned from its relationship to different analogous hydrides of the oxygen kinfolk interior the periodic table, that are gases at the same time with hydrogen sulfide. additionally the climate surrounding oxygen interior the periodic table, nitrogen, fluorine, phosphorus, sulfur and chlorine, all combine with hydrogen to offer gases below prevalent circumstances. the reason that oxygen dihydride (water) types a liquid is this is greater electronegative than all of those aspects (different than fluorine). Oxygen attracts electrons lots greater strongly than hydrogen, ensuing in a internet beneficial charge on the hydrogen atoms, and a internet unfavorable charge on the oxygen atom. The presence of a charge on each and every of those atoms supplies each and every water molecule a internet dipole 2nd. electric powered charm between water molecules because of this dipole pulls guy or woman molecules closer at the same time, making it harder to chop up the molecules and consequently elevating the boiling factor. This charm is known as hydrogen bonding. Water could be defined as a polar liquid that dissociates disproportionately into the hydronium ion (Heccbc87e4b5ce2fe28308fd9f2a7baf3O+(aq)) and an linked hydroxide ion (OH?(aq)). Water is in dynamic equilibrium between the liquid, gas and sturdy states at prevalent temperature and tension (0°C, a hundred.000 kPa) , and is the only organic substance got here across clearly in the international to be so.
2016-12-18 14:48:33 · answer #2 · answered by zabel 4 · 0⤊ 0⤋
1. Mass.
2. Composition.
3. Atomic weight.
2007-03-15 14:28:52 · answer #3 · answered by krollohare2 7 · 0⤊ 0⤋
Its melting point (if a solid), boiling pt (if a liquid or gas)
Its density
Its vapor pressure
2007-03-15 14:25:33 · answer #4 · answered by cattbarf 7 · 0⤊ 0⤋
sulfur S, Argon A, Silicon Si
2007-03-15 14:24:15 · answer #5 · answered by vollygirl108 3 · 0⤊ 1⤋
Melting point
Boiling point
2007-03-15 14:28:34 · answer #6 · answered by Banana Slug 3 · 0⤊ 0⤋