(science)
When scientists see the letters “Au,” they know it means “gold.” What is Au?

the colour

the element symbol

the atomic number

the element's section

When the volume and number of particles of a gas are constant which of the following is also constant

What state of matter is ice a. liquid b. element c. solid d. gas

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?