An atom of an element has 28 innermost electrons and 7 outermost electrons. in which period of the periodic table is this element located?

1. 5

2. 2

3. 3

4. 4

What is the name of this hydrocarbon?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out