If a sodium atom loses an electron, is the resulting sodium ion positively charged or negatively charged?

A sample of gold (Au) has a mass of 45.65 g. A) Calculate the number of moles of gold (Au) in the sample. Show your work and highlight your final answer. B) Calculate the number of atoms of gold (Au) in the sample. (Use your answer from Part A.

The stopcock between the two reaction containers is opened, and the reaction proceeds using proper catalysts. Calculate the partial pressure of NO after the reaction is complete.

In a solution of carbon dioxide in water (a soft drink) the carbon dioxide is the solute. True or False?

How do you know that's a living this is multicellular

In a balanced chemical reaction which of the following is true? The products will weigh more than the reactants. The reactants will weigh more than the products. The mass of the products depends on whether they are gases or not.

Which of these is a compound? О co2, O2, Co

Explain this observation: Only a small area of the day side of earth can see a solar eclipse.

total mass of the Syringe. Record it in the correct row of the data table. how many kilograms would it be?

Testing a hypothesis is called a

When molten rock undergoes crystallization above ground, what type of rock results? a. intrusive igneous rock b. extrusive igneous rock c. metamorphic rock d. sedimentary rock