Match the following steps in the scientitic method to theil definitions.
si come up with a question that can
1. research the problem
be answered
must be testable and falsifiable
2. organize data
3. design an experiment
4. hypothesis
use reliable sources, talk to
experts, and take notes
1313 set up a procedure for testing your
ideas; include variables and controls
create charts or graphs to display
the results
5. choose a problem

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

Achemical reaction is done in the setup shown , resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?