A scientist would most likely need to update her model when it

What is the most common salt found in ocean water?

An educated guess is based on past experience. How does a hypothesis express the educated guess?

What is the best name for this molecule? explain your naming process. a hydrocarbon compound with a total of 9 carbons that includes one double bond and the rest single bonds. there are 6 carbons a?

A student placed 0.0243 g of magnesium in 50 mL of 0.200 molar HCl solution, producing H2 gas according to the following reaction what is the volume of H2 (g) produce at 300 K and 0.800 atm?

Which halogen is the most easily oxidized?

A student makes observations when water is added to a blue solution of copper sulfate. The student makes only 1 observation: the solution changes to a lighter shade of blue. Is this an example of a chemical reaction? Explain your reasoning.

When dos the spring tide occur

As ice transforms into steam, Question options: new molecules are formed. the types of atoms are changed. energy is absorbed by the molecules. the mass of the molecules is increased.

Why do chemists consider the periodic table so useful?

Plates include large sections of Earth Oceanic or Continental