Is cutting a sheet of paper in half a physical or chemical change

What is a proper adjective?

Several narrow linear bloodstain patterns are found on a wall adjacent to one where a body was found the droplets were elongated and about 1-4 mm in diameter which weapon most likely caused this blood spatter pattern A) Brass knckles on a fist B)

What is the formula for copper (II) phosphate? Capitalization and punctuation count. How many atoms of phosphorus are in 7.10 mol of copper (II) phosphate?

Which of the following elements is NOT a transition metal? a. Copper c. Sodium b. Chromium d. Iron

What is the most reactive metal? A. Fe (iron) B. Si (silicone) C. Po (polonium) D. Ra (radium)

Is cutting a sheet of paper in half a physical or chemical change

Why do the planets keep orbiting the sun

The lone pair of electrons in the ammonia allows the molecule to

How does a chemist count the number of particles in a given number of moles of a substance?

What is energy = energy out