All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

a certain compound has a molecular mass of 60g and has the following percentage by composition carbon 40 %, hydrogen 6.67% and oxygen 53.3%. Determine it's molecular formula

Sodium bicarbonate reacts with sulfuric acid to form sodium sulfate, carbon dioxide, and water. calculate the mass od sodium bicarbonate necessary to produce 1.75 g of carbon dioxide gas. How would i even go about doing this?,

What is the symbol for iron

match the number of neutrons to the correct isotope by studying the atomic number and mass number of each isotooe

A material has a density of 8.9g/cm3. You have six cubic centimeters of the substance. What is the materials mass in grams

Which of the following transfers carbon from the nonliving environment to the living environment? Photosynthesis Cellular respiration Burning Decomposing

Which term describes this reaction? CH3Br (aq) + OH - (aq) - > CH3OH (aq) + Br - (aq) a. addition b. condensation c. elimination d. substitution

The elements of which group are nonreactive? halogens alkaline earth metals noble gasses alkali metals

Which best describes the definition of Lewis acids and bases? a general definition based on electron structure a general definition based on hydrogen ion concentration a specific definition based on a compound's ability to accept protons a specific

Question 22 Which change would cause the volume of a balloon to increase? A increasing the temperature of the balloon B increasing the atmospheric pressure C removing gas from the balloon D placing the balloon under water