subject
Chemistry, 07.11.2019 19:31 gcarter1203

16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
b) 13c) 25 d) 12.5

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 14:00
Acar tire has a pressure of 2.38 atm at 15.2 c. if the pressure inside reached 4.08 atm, the tire will explode. how hot would the tire have to get for this to happen? report the temperature in degrees celsius.
Answers: 2
question
Chemistry, 21.06.2019 19:10
When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium
Answers: 3
question
Chemistry, 21.06.2019 23:00
The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call
Answers: 1
question
Chemistry, 22.06.2019 06:00
If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?
Answers: 3
You know the right answer?
16) the mass number of an element whose atoms have 12 protons and 13 neutrons is_
a) 12
...
Questions
question
Physics, 16.10.2020 08:01
question
Mathematics, 16.10.2020 08:01
question
Mathematics, 16.10.2020 08:01
question
English, 16.10.2020 08:01
question
Mathematics, 16.10.2020 08:01
question
Mathematics, 16.10.2020 08:01
Questions on the website: 13722367