1 mole Hg ---------------- 6.02x10²³ atoms
?? ------------------------- 1.30 x10⁷ atoms
1.30x10⁷ x 1 / 6.02x10²³ =
= 1.30x10⁷ / 6.02x10²³ => 2.159x10⁻¹⁷ moles
hope this helps!
B) hydrogen gas burns in air.
explanation: the rest are physical properties.
Answer:
The sphere on the left as it has more mass.
Explanation:
Inertia is the resistance to changes of motion.