How many protons would Na-3 have?

What instrument did they use to find that the earth was round? What is called the powerhouse of a cell because it breaks down nutrients to help make the major energy source of the cell? What city is 45 degrees north latitude and 112 degrees west longitude? What are the positively charged subatomic particles that remain when a hydrogen atom loses an electron? Which of the following terms describes the spread of influenza across Europe after the war? Where can you make blueprints? What are the white crystals on the inside wall of the beaker? Why helium does not form ion easily? Which is a method of making new copies of DNA? Ash and lapilli are different sized pyroclastic particles? a small negatively charge particle that orbits the nucleus? What percentage of the meteorites that fall to earth are stony meteorties? What is night and day like on the planet Pluto? Name for blood group O person? Why is a chain reaction more likely in a big pieces of uranium than its in a small piece? What is the target organs for luteinizing hormone? What are the two main feldspar groups? Is a cell membrane invironment? When a cell is at rest? Can pathogens be fatal?