Hãy dùng chữ số và kí hiệu hóa học diễn đạt các ý sau: 3 nguyên tử aluminium, 6 nguyên tử chlorine, 8 nguyên tử zinc

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

what does the table look like

the answer is c. nacl

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.