Answer:
The definition of atom: The Atom is the basic unit of matter.
Types of atoms: There are 3 types of atoms, protons, neutrons, and electrons.
Answer: 2. I see two colours in the test tube, white and grey at the bottom.
The formula to convert from Celsius to Fahrenheit is F = 9/5C + 32 or F = (C*1,8)+32
F = 9/5*39 + 32 = 70,2 + 32 = 102,2° F