Which element has the fewest valence electrons? O A. Neon (Ne)
O B. Magnesium (Mg)
O C. Silicon (Si)
O D. Chlorine (CI)

Identify the type of synthetic material used in each object

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)