Because their species is in danger of going extinct<span />
Answer:
c) Tìm những chất có hàm lượng đồng bằng nhau trong 4 chất : CuO, Cu2O, CuS, Cu2S.
Explanation:
Answer:
An SCl2 molecule has <u>polar</u> bonds and a <u>bent angular</u> molecular shape. As a result, an SCl2 molecule is <u>polar.</u>
Explanation:
It is a covalent compound made up of angular molecules that contain two chlorine atoms attached to one sulfur atom. Sulfur undergoes sp3 hybridization and has two pairs of nonbonding electrons. Given their geometry and the difference in electronegativity between chlorine and sulfur, they are molecules with a marked polar character. The bond angle between the sulfur atom and the two chlorine atoms is 109.5°, since the two vectors are of equal intensity but their directions do not coincide; if they are added vectorially, they do not cancel each other out, making the molecule polar.
Answer:
A scientific hypothesis must meet 2 requirements:
Explanation:
A scientific hypothesis must be testable, and;
A scientific hypothesis must be falsifiable.
