Which of the answer choices best represents the approximate relative mass of the three subatomic particles?

(Select all that apply.)

protons = neutrons

electrons = neutrons

neutrons > electrons

protons > electrons

A solid mixture consists of 44.2g of KNO3 (potassium nitrate) and 7.8g of K2SO4 (potassium sulfate). The mixture is added to 130. g of water.

What kind of material was able to survive near the Sun during the development of the solar system? a. Rocky matter c. Organic matter b. Plasma d. Carbon

Match these items. 1. first nuclear reactor fission 2. neutron 3. decaying nuclei curie 4. number of neutrons and protons Fermi 5. builds heavier elements atomic mass 6. discovered radioactivity fusion 7. unit of radiation Becquerel

What fraction of atoms in morphine is accounted for by carbon?

What is the average velocity from 0 seconds to 8 seconds?

Since the early 2000s, careers in the field of genetics have grown at a rapid pace. Which of these is a probable cause for this explosion of available and expanding jobs?

How many litres of 0.215 m NaCl contains 4.30 mol of this salt? Assume this solvent is H2O I'm confused on this question because little m is molality but when I looked this up on google, someone solved the problem assuming it was molarity

How can a neutral atom become a positively-charged particle?

The last column of the periodic table contains the noble gases, elements that do not easily form chemical bonds.

When pollution is removed from the air by a natural process, it