Why was mendeleev's first periodic table not accepted my the scientist community when it was published in the late 1800s?

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 prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas