Answer:
The mass number is defined as the total number of protons and neutrons in an atom. The number of neutrons = mass number − atomic number.
Answer:
answer is C
Explanation:
encourage the release of carbon dioxide from the stems
Strong Acid has a lower pH level than a weak acid, weak acid pH level will be closer to 7 than the strong acid. Weak acid does not dissociate completely, therefore a weaker proton donor, thus higher pKa. Strong acids dissociates completely and release all of their hydrogen atom when dissolve in water.
1. Turn off lights.
2. Unplug devices your not using.
3. Change filters on your heating system.
4. Dry laundry on a clothes line.
5. Take shorter showers.
6. Cover bare floors.
7. Put on a sweater to use your AC less.
8. Ride a bike and not drive a car.
9. Use smart power strips
10. Replace light bulbs
No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)