Which chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond? What elements from the periodic table must we have to sustain life, here on Earth...
Lattice Energy | Definition, Formula & Trend from Chapter 5 / Lesson 28 63K What is lattice energy? Learn the definition of lattice energy, see its trends in the Periodic Table, and study how to find lattice energy using its formula. Related...
New ionic compounds corresponding to the formula (R1X1(=Z1)Q-X2(=Z2)R2)m Mm (I) :- M = a proton or metallic cation of valence m chosen from alkali, alkaline earth, transition, rare earth metals or an organic onium cation or organo-metallic cation ;m is greater or equal to 1 ...
[8] Since E is a quaternary salt, x = 3. [1/2] Displayed formula of E : H H CH + H H C N H H CH I- CH H H H [1] (no displayed formula –no mark) E is soluble in water as it is an ionic compound which can form ion-dipole attraction with water. [1/2] However,...
How many formula units of calcium bromide are present in a sample which contains {eq}\displaystyle \rm 6.50 \ g {/eq} of bromide ion? Formula Units: The formula unit is a term that generally refers to the formula of the compound (specifically to an ionic c...
Explain the terms soluble and insoluble and use the solubility rules to write the formula of an insoluble ionic compound. Is SO2, a polar gas, soluble or insoluble in water? Explain. The solubility of Ag3PO4 is 6.7*10...
A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1) —K—R—(1) In which K is a bond, oxygen, sulphur, the radical R is a divalent radical of an aromati... T Haring - US 被引量: 17发表: 2007年 ...
with formula (IIb) R-A-Si(OB)3 where: R represents a radical containing an unsaturated polymerisable function, belonging to the group of vinylics, or to the group of acrylic, methacrylic, maleic, itaconic, crotonic, vinylphthalic esters, or to the group of unsaturated urethanes or to the...
The present invention relates to a surfactant for general use in agricultural compositions, including, but not limited to herbicidal, fungicidal and insecticidal formulations comprised of two components: an alkoxylated tristyrylphenol acid neutralized to the desired pH or properties with an appropriate amo...
1. A compound of the formula ##STR12## wherein s is a positive whole number of at most 2; D is =C(X)--, =C(NH2)-- or =N--; E is =C(Y)-- or =N--; F is =C(X)-- or =N--; the residue ##STR13## being aromatic; W is --H, --OH or --NH2 ; X is...