Example for next four problems: Compound formula: MgCl2

Element: Mg

# of Atoms: 1

Element: Cl

# of Atoms: 2

gram formula weight (g): 95.21

Compound Formula: HCI

Element H

# of Atoms: (Options are 1, 2, and 3)

Element: CI

# of Atoms: (Options are 1, 2, and 3)

gram formula weight (g): (Options are 36, 36.46, and 36.50)

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

How is the use of hydroelectric power related to the sun

3. a 0.750-l container containing gas at a temperature of 21.3º c is transferred to a flask with a volume of 0.250-l. assuming there is no change in pressure during or after the transfer, what is the temperature of the gas in the new flask?