Answer:
this is difficult but simple to answer
Explanation:
all atoms move in 1 direction no more than 2
Answer:
{1s^2 2s^2 2p^6} 3s^2 3p^4
{Ne}3s^2 3p^4
Explanation:
i didnt understand the rest of that but this is the e- configuration on top and the bottom is noble gas configuration
Answer:
The answer should be 1000 kg / m3
