That my assignment is kinda hard its chemstriy

When a magnesium ribbon is heated in air the product former is heavier. on the other hand when potassium manganate (VII) is heated in air the product formed is lighter. Explian the difference iin observation

Which process involves mass movement within a substance? a. conduction b. convection c. radiation d. reflection

What is the relationship between atoms and static electricity

How do the scientists use observations to make predictions?

What is the number of sulfur atoms that equal a mass of 32.07 amu?

How can you classify matter

What type of material can make up a mudflow? a. trees b. boulders c. soil d. all of the above

What is bedrock layer

The number of neutrons in the nucleus of an atom can be calculated by 1. Adding together the numbers of electrons and protons 2. Subtracting the number of protons from the number of electrons 3.

Chemical or physical properties? titanium is less dense than water