Which property of an atom's structure was used to organize the periodic table? question 1 options: a) atomic number b) number of electrons in the outer shell c) both a and b

Select the correct answer. you have a nightlight plugged into an outlet in the hallway, which uses 3.5 watts when plugged in. if the house circuit provides 120.0 volts, what is the current through this bulb?

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

What does the symbol (–hfus) indicate in a phase change?