What are 4 ionic compound questions? Made up -includes what makes it ionic - includes how to know charges

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned