Fluorine (F), Chlorine (Cl), Bromine (Br), and Iodine (I) are elements in the same group on the periodic table. Why are these elements grouped together? They all have similar properties.

They all have similar atomic masses.

They all have the same atomic radius.

They all have the same number of protons.

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: