I am pretty sure the answer is 6.25 molecules
See picture for explanation
There are 32 valence electrons for the Lewis structure for ClO4
Answer:
4 orbits in the fourth period.
19 electrons in the atom from group 1 and fourth period.
Explanation:
Potassium has 19 electrons distributed in its 4 orbits
Answer:
Q = 3937.56 J
Explanation:
Heat transferred due to change in temperature is given by :

c is the specific heat of water, c=4.18 J/g-°C
We have, m = 15 g, 
So,

Hence, 3937.56 J of heat is transferred.
Answer:
sorry to waste ur time but im getting points bc i have a question and i need more points to say ig