Answer:
25th electron
Explanation:
the last electron is the valence electron. Assuming it has equal numbers of protons and electrons, then the 25th electron is the valence.
Answer:
C-H-O is the answer for this one
Because the sulfur ion has a negative two charge, the formula would be Fe2S3
Answer:
t = 50 s
Explanation:
P = W/t
Solving for t,
t = W/P = (3430000 J)/(68600 Watts)
= 50 s
Note: 1 Watt = 1 J/s
the correct answer is option d.
6.67*10-3 hrs
