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Author Question: The Lewis structure of N2H2 shows ________. A) a nitrogen-nitrogen triple bond B) a ... (Read 31 times) |
The horizontal fraction bar was introduced by the Arabs.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
There are more nerve cells in one human brain than there are stars in the Milky Way.
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.