Examlex
The isotope of carbon commonly referred to as "carbon-14" is
Chemical Equation
A symbolic representation of a chemical reaction, with reactants on the left, products on the right, and an arrow indicating the direction of the reaction.
Iron
A strong, hard magnetic silvery-grey metal, very abundant in the earth's crust and the core element of hemoglobin in blood.
Pyrolysis
A thermochemical decomposition of organic material at elevated temperatures in the absence of oxygen.
Combustion
A chemical process involving the rapid combination of a substance with oxygen to produce heat and light, often resulting in fire or explosion.
Q1: State whether each of the following compounds
Q11: Select the molecular geometry for the following
Q15: All of the following are examples of
Q18: Write the condensed structural formula for hexylpentylamine.
Q19: Which of these does NOT involve a
Q32: The process by which a gas is
Q90: A scientific hypothesis is<br>A) absolute.<br>B) complex.<br>C) simple.<br>D)
Q136: The lines in an atomic line emission
Q171: Iodine has _ valence electrons.<br>A) three<br>B) five<br>C)
Q187: Oxygen forms monatomic ions with a charge