Who created the periodic table and in what year?

What are three traits that you would like to see disappear as human beings evolve? why?

Find the percent composition of each element in KMnO4

An MSDS is a document that a. is required to be provided with a chemical when purchased from a chemical supply company b. has a wide range of safety information in a mostly standardized format c. is not legally required to be accurate d.

What is the smallest component or the most basic building block of any element? A. An Atom, B. a compound C. gas D. element

A volume of 300 milliliters of water is added to a liter of water. What is the final volume of water, in milliliters? a. 1300 liters b. 3000 mL c. 30,000 mL d. 1300 mL

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda