For the record, you're NOT expected to cut off all social interactions this year. In fact, DON'T suck all the life out of yourself in the name of studying.
Personally, I would use these distractions positively. I would stay away from my computer when I would get home and use facebook in the...
How do you feel about Engineering Studies overall? Remember that the year has only begun. If you're enjoy it, you could be able to manage on your own.
How do you feel about your other subjects? If you're unsure about (say) Graphics, it may be useful to leave Engineering as a backup.
But...
Not necessarily mate!
It's seriously not about forcing yourself to study excessive amount of hours everyday. Heck, there were so many days I personally did nothing!
It's more about ensuring that you understand the content through the year. Be able to appreciate what you're studying and in a...
As you move down the rows, the number of electron shells increase.
So, M has a lower number of shells than R. The nucleus (and thus protons) are closer to the shells and the electrostatic attraction level in M is greater (i.e. more electronegative)
It's a common thing you'll face through the year.
Exactly when you need to stay focused, your brain decides to take a huge dump.
Create a strict study regime. And this doesn't have to be some blanket routine you have THROUGH the entire year. I would have other commitments all the time...
From past experience, although it seems though you only need a low raw mark to do well, you'll realise that HSC marking is a LOT different to what you've experienced so far.
They're very pedantic and particularly want answers focused around the key verbs.