8. complete the table\n| particle | location of particle | charge on particle | mass of particle…

8. complete the table\n| particle | location of particle | charge on particle | mass of particle |\n|----|----|----|----|\n| | | | 0 amu |\n| | nucleus | | |\n| | | positive | |\n9. which particle in question 9 above is used to differentiate atoms? and what is the number of this particle called \n10.a group of atoms having the same number of protons in its nucleus is called \n11.mass number is calculated by adding number of and \n12. complete this table by filling - in. the atom is neutral. (for name of element, use the periodic table)\n| | proton | electrons | neutrons | atomic number | atomic mass | name of element |\n|----|----|----|----|----|----|----|\n| 1 | 4 | | 5 | | | |\n| 2 | | 9 | 11 | | | |\n| 3 | | | | 15 | 32 | |\n| 4 | | | 8 | | | nitrogen |

8. complete the table\n| particle | location of particle | charge on particle | mass of particle |\n|----|----|----|----|\n| | | | 0 amu |\n| | nucleus | | |\n| | | positive | |\n9. which particle in question 9 above is used to differentiate atoms? and what is the number of this particle called \n10.a group of atoms having the same number of protons in its nucleus is called \n11.mass number is calculated by adding number of and \n12. complete this table by filling - in. the atom is neutral. (for name of element, use the periodic table)\n| | proton | electrons | neutrons | atomic number | atomic mass | name of element |\n|----|----|----|----|----|----|----|\n| 1 | 4 | | 5 | | | |\n| 2 | | 9 | 11 | | | |\n| 3 | | | | 15 | 32 | |\n| 4 | | | 8 | | | nitrogen |

Answer

Explanation:

Step1: Recall atomic - particle properties

For question 8:

  • Electron: Location is outside the nucleus, charge is negative, mass is approximately 0 amu.
  • Neutron: Location is in the nucleus, charge is neutral, mass is approximately 1 amu.
  • Proton: Location is in the nucleus, charge is positive, mass is approximately 1 amu. The completed table for question 8: | Particle | Location of particle | Charge on particle | Mass of particle | |--|--|--|--| | Electron | Outside nucleus | Negative | 0 amu | | Neutron | Nucleus | Neutral | 1 amu | | Proton | Nucleus | Positive | 1 amu |

Step2: Answer question 9

Protons are used to differentiate atoms. The number of protons is called the atomic number.

Step3: Answer question 10

A group of atoms having the same number of protons in its nucleus is called an element.

Step4: Answer question 11

Mass number is calculated by adding the number of protons and neutrons.

Step5: Complete table for question 12

  • For row 1: In a neutral atom, number of electrons = number of protons = 4. Atomic number = number of protons = 4. Atomic mass = number of protons+number of neutrons = 4 + 5=9. The element with atomic number 4 is Beryllium.
  • For row 2: In a neutral atom, number of protons = number of electrons = 9. Atomic number = 9. Atomic mass = number of protons+number of neutrons = 9+11 = 20. The element with atomic number 9 is Fluorine.
  • For row 3: Atomic number = 15, so number of protons = 15. In a neutral atom, number of electrons = number of protons = 15. Number of neutrons = Atomic mass - number of protons=32 - 15 = 17. The element with atomic number 15 is Phosphorus.
  • For row 4: For nitrogen, atomic number = 7, so number of protons = 7. In a neutral atom, number of electrons = number of protons = 7. Atomic mass is approximately 14 (common isotope), number of neutrons = Atomic mass - number of protons=14 - 7 = 7.

The completed table for question 12:

proton electrons neutrons Atomic number Atomic mass Name of element
1 4 4 5 4 9 Beryllium
2 9 9 11 9 20 Fluorine
3 15 15 17 15 32 Phosphorus
4 7 7 7 7 14 Nitrogen

Answer:

  1. See completed table above.
  2. Protons; Atomic number
  3. Element
  4. Protons; Neutrons
  5. See completed table above.