Using a Thesaurus Entry topple v tall down synonyms-collapse, tumble antonym-nse, stand. get up Which word fron the hesaunus entry could be used to replace the underlined word The building began to ogple brck by brick nise collapse stand gEt up

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

B. nuclear reactions could first occur.

Aquantity of that isotope to decay to 1/2 of  its original value