subject
Chemistry, 01.08.2019 10:30 hallkayleel0lozgxtq

The four elements that make up about 96% of body matter are a. nitrogen, hydrogen, calcium, sodium b. sodium, potassium, hydrogen, oxygen c. carbon, oxygen, hydrogen, nitrogen d. carbon, oxygen, phosphorus, calcium

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 12:00
How do you convert 4 mmol of bromobenzene to ml?
Answers: 3
question
Chemistry, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
Answers: 2
question
Chemistry, 23.06.2019 07:30
Chris is about to do an experiment to measure the density of water at several temperatures. his teacher has him prepare and sign a safety contract before beginning the experiment. which term is mostlikely part of the safety contract
Answers: 3
question
Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
Answers: 3
You know the right answer?
The four elements that make up about 96% of body matter are a. nitrogen, hydrogen, calcium, sodium...
Questions
question
History, 03.10.2019 04:50
Questions on the website: 13722363