Chemistry, 26.07.2019 10:00 bcaughman6885
Which of the following best describes the particles in an atom? protons carry negative charge neutrons carry positive charge neutrons move around a nucleus electrons move around a nucleus
Answers: 2
Chemistry, 21.06.2019 20:30
What was the procedure by which case united states vs lopez went to court
Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 17:00
The biosphere of the earth is made up of what compound? organic or inorganic?
Answers: 3
Which of the following best describes the particles in an atom? protons carry negative charge neu...