Q1. TI (210/81Thallium)
Q2.
The answers are opposite from each other
Answer:
11. Extinct basically means that in a species, there are no living organisms.
12. Extinct: No living organisms of the species
Endangered: Very few living organism of the species, and are in danger of being extinct
Threatened: The organisms of the species are likely to be endangered in the future.
Answer:
757.5 kPa
Explanation:
Boyle's law states that p1 * v1 = p2 * v2
v1 = 12 mL
v2 = 8 mL
p1 = 505 kPA
p2 = ?
(505)(12) = (p2)(8)
6060 = (p2)(8)
p2 = 757.5
Answer should be catalysts.
Carbon can-be valence electron that could-be removed using the least amount of energy.