What is the smallest particle of an element that still retains all the properties of the element? a compound a mineral an atom an isotope

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Can someone me with questions 15 to 17 plz.