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Which pairing matches the type of substance with an item it donates?
Acid:Electron pair;Base:Proton
What Correctly represents an ion pair and a correct formula for the ionic compound the ions form?
An ion pair is made up of a positively charged ion (cation) and a negatively charged ion (anion) that are attracted to each other due to their opposite charges. For example, in the ionic compound sodium chloride (NaCl), the ion pair consists of the sodium cation (Na+) and chloride anion (Cl-). The correct formula for the compound they form is NaCl.
When doing a solvent pair recrystallization which of the following pairs will work ethanol and water methylene chloride and water dimethylformamide and diethyl ether?
Ethanol and water is a suitable solvent pair for recrystallization. Methylene chloride and water, as well as dimethylformamide and diethyl ether, are not typically used together as solvent pairs for recrystallization due to their different chemical properties and solubility characteristics.
What is the change in bond angle down a group when central atom has lone pair?
there is repulsion between lone pair and bond pair for example in water molecule oxygen has lone pair which repells the bond pair due to this bond angle decreases simply ddue to repulsion btween lone pair to lone pair or lone pair to bond pair angle varies
What is a lone pair?
A lone pair is a pair of electrons in an atom that is not involved in bonding with other atoms. It is often represented as a pair of dots in Lewis structures and can influence the shape and reactivity of molecules.
Which pair of terms below correctly matches a step in the water cycle with the end result of the step?
Freezing, a solid.
Which pair of items correctly matches the joint type with its correct mechanical?
A. gliding;a bedroom window. B.none of these. C. Hinge; elevator door D. Ball and socket; door hinge
Which of the following sentences correctly uses the homonym pair where and wear?
all of the above correctly use this homonym pair. (apex)
What pair best matches this pair of words Tadpole - Frog?
stuff like baby-adult
Which shows a correctly pair DNA molecule?
D
What base does adenine pair up with in the DNA?
Thymine, and Cytosine matches with Guanine
Which pairing matches the types of substance with the item it donates?
Acid:Electron pair;Base:Proton
Which pairing matches the type of substance with the item it donate?
Acid:Electron pair;Base:Proton
Which pairing matches the type of substance with the item it donation?
Acid:Electron pair;Base:Proton
Which pairing matches the type of substance with the item it donates?
Acid:Electron pair;Base:Proton
Which sentences correctly uses the homonym pair fair fare?
A sentence correctly using the homonym pair fair and fare would be public transportation fares are usually quite fair and reasonable.
What correctly describes WXZ and ZXY?
supplemenyary angles , linear pair , adjacent
