Observation use your senses to make an observation of your environment. questions create a hypothesis that can be tested in an experiment. remember, a hypothesis has a specific "if-then" wording. it describes what will happen to the dependent variable when changes are made to the independent variable. for example, "if a plant is fertilized (independent variable), then it will grow faster (dependent variable)." design and plan an experiment. be sure to identify an independent variable, a dependent variable, and any controls. remember, controls are factors which stay the same. in an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant. write a complete description of your experiment. include a list of necessary materials. it is a good idea to follow a step-by-step procedure format. think of everything you need to do, then write it down in the order it must be completed. your description and procedure should be clear enough that another person could duplicate your experiment exactly. , at least 1 paragraph !

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explanation:

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the correct name for the n3 ion is azide. azide is a polyatomic anion with a -1 charge and is written as n3 -1. it consists of three nitrogen atoms bonded together. hope i . let me know if you need anything else.

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.