subject
Chemistry, 30.10.2020 19:40 skyrae05

An atom of potassium has 19 protons and 20 neutrons. Its mass number is

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 22:30
This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry
Answers: 2
question
Chemistry, 22.06.2019 08:00
Define dew point. i am writing this part to be able to ask the question
Answers: 1
question
Chemistry, 22.06.2019 08:00
Match the mixture with the substance// i really need on this guys (it’s a pic btw)
Answers: 1
question
Chemistry, 22.06.2019 13:10
The last few miles of the marathon are the most difficult for heather, her hair plastered to her head, sweat clinging to her arms, and her legs already feeling as if they had nothing left, just dead weight. after grabbing a cup of ice water, she feels the ice cubes smash against her nose as she gulps some cool refreshment and keeps on running. in these last few miles, the breeze kicks up and she finally feels some coolness against her skin. drips of sweat, once clinging to her forehead, now spill down, and heather feels more pain as the sweat flows into her eyes.which of the following is the most likely reason why the ice struck heather’s nose when she took a drink? a) water can function as a solvent. b) water can store large amounts of heat. c) water can moderate temperatures through evaporative cooling. d) the density of water decreases when it freezes. e) water has a cohesive nature.sweat remained on heather’s forehead and arms because of the a) high salt content of sweat b) cohesive nature of water c) ability of water to moderate heat d) high evaporative cooling effect of water e) ability of water to act as a solvent
Answers: 1
You know the right answer?
An atom of potassium has 19 protons and 20 neutrons. Its mass number is...
Questions
question
Mathematics, 12.02.2021 16:40
question
Mathematics, 12.02.2021 16:40
question
Physics, 12.02.2021 16:40
question
English, 12.02.2021 16:40
question
Mathematics, 12.02.2021 16:40