If an element symbol appears in a chemical formula, at least one atom of that element is in the molecule.
true or false

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

Identify the type of synthetic material used in each object

Which of these metals are magnetic?