Explanation

Acetophenone has the chemical formula C6H5COCH3

Explanation

Oxygen in water (H₂O) has 2 bonding and 2 lone pairs, totaling 4 electron pairs.

Explanation

The sarcoplasm surrounds the muscle fiber of the skeletal muscle.

It is the cytoplasm of muscle cells.

Explanation

After an enzyme-catalyzed reaction, the enzyme is used for another reaction as enzymes are not consumed in the process.

Explanation

Explanation

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter.

Explanation

Angstrom , unit of length used chiefly in measuring wavelengths of light, equal to 10−10 metre, or 0.1 nanometer.

It is named for the 19th-century Swedish physicist Anders Jonas Ångström.

Explanation

Explanation

Electricity would remain little more than an intellectual curiosity for millennia until 1600, when the English scientist William Gilbert wrote De Magnete, in which he made a careful study of electricity and magnetism, distinguishing the lodestone effect from static electricity produced by rubbing amber.

Explanation

BF3 (boron trifluoride) is not a nucleophile.

It is a Lewis acid, meaning it accepts electron pairs during reactions rather than donating them.

A nucleophile is a species (atom or group of atoms) that donates a pair of electrons to form a new covalent bond.

Nucleophiles are often negatively charged or have lone pairs of electrons that can be used for bonding.

• H2O (water)
• H2S (hydrogen sulfide)
• NH2