Eric notices that his flashlight does not turn on when he flips the switch. what is the least appropriate hypothesis for eric to make?

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Which other elements contain the same number of outer electrons as sodium

Name the element in group 17, period 2. (periodic table)