How are elements identified in terms of their atoms

Which state of matter is highly compressible, is made of particles moving independently of each other, and is present in large quantities near Earth's surface?

Give the symbol for stannic ion

Draw the product obtained when trans-2-butene is treated first with br2 in ch2cl2, second with nanh2 in nh3, and then finally with h2/lindlar's catalyst.

Which anion testing solution produced the fewest (<3) precipitates? b) Salts of these anions may be described as soluble with few exceptions. Name the cations that are the exceptions to the rule for each anion identified in 3a

Name the following ionic compounds: Be3P2

Why was Bohr's model considered more accurate than Dalton's model?

Select the statements that correctly describe a buffer. 1) The pH of a buffer solution does not change significantly when any amount of a strong acid is added. 2) A buffer is generally made up of a weak acid and its conjugate base.

What chemical molecules are required for cellular respiration?

A 2-column table with 3 rows. Column 1 is labeled Substance with entries upper O subscript 2, upper N subscript 2, upper C upper O subscript 2. Column 2 is labeled Molar mass with entries 32.00 grams per mole, 28.02 grams per mole, and, 44.

How do you know if the reaction is exothermic or endothermic if both phase are same?