How many atoms of chromium are in 9.56 moles of chromium?

Why is it important to mark the solvent level on the chromatography paper as soon as you remove it from the Petri dish?

Each carbon atom has six protons. what does this tell you? A. each carbon atom has six electrons. B. each carbon atom has six neutrons. C. each carbon atom has three electrons and three neutrons. D. both A and B

A mixture of NaBrO 3, NaBrO3, NaHCO 3, NaHCO3, Na 2 CO 3, Na2CO3, and NaBr NaBr was heated, producing H 2 O, H2O, CO 2, CO2, and O 2 O2 gases by the following equations.

Which changes would most likely limit the growth of a plant-eating animal population? Select four options. The number of predators decreases. Steady rainfall increases the number of plants. A spring freeze kills many plants.

What electron configurations so atoms usually achieve by sharing electrons to form covalent bonds

Which terms identify types of chemical reactions? (1) decomposition and : sublimation (2) decomposition and synthesis (3) deposition and sublimation (4) deposition and synthesis

What element behaves MOST like magnesium (Mg) ? A) S B) Si C) Sn D) Sr

It was determined through analysis that a compound, sodium carbonate with a molar mass of 263 g/mol contained 68.4% water. determine the toilet number of water molecules in this hydrate

Which 1.0 M solution has the lowest pH?

If the heat of fusion of water is 3.4 * 102 j/g, the amount of heat energy required to change 15.0 grams of ice at 0°c to 15.0 grams of water at 0°c is