The service rating of passengers car and commercial automotive motor oils
Silicon has 14 protons Potassium has 19 electrons The neutrons are equal to the mass number minus the atomic number. Or the big number minus the small number on the periodic table. hydrogen 1 does not have a neutron.
iron =56 -26 for 30 neutrons in the nucleus
Chlorine 17 protons and 17 electrons. 18 or 19 neutrons on average.
Answer:
87.78 in cubed
Explanation:
excuse me if I am wrong i tried my best
don't know if its right
Answer:
The new volume of the gas is 276.45 mL.
Explanation: