Please help asap! Giving brainliest to correct answer!! Which pair of compounds has the same empirical formula? (5 points)

Select one:

a. C3H8 and C3H
b. C2H2 and C2H
c. C4H10 and C6H
d. C4H10 and C2H5

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

What is another way to determine mass times acceleration?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i