5 Written questions
5 Matching questions
- subatomic particles
- trace elements
- major elements
- a The science of the structure and interactions of matter.
- b The dozens of particles that compose atoms, namely protons, neutrons, and electrons.
- c Carbon, Hydrogen, Oxygen, and Nitrogen; they alone make up about 96% of the body's mass.
- d Radioisotopes used to follow movements of certain substances through the body.
- e The elements that make up the last .4% of the mass of the body.
5 Multiple choice questions
- Positively charged particles located within the nucleus of an atom.
- The number of protons in an atom.
- The dense central core of an atom where protons and neutrons are located.
- Indicates the elements and the number of atoms of each element that make up a molecule.
- The standardized unit of measurement for the mass of atoms and their subatomic particles.
5 True/False questions
Calcium, Phosphorous, Sulfur, Potassium, Sodium, Chlorine, Magnesium, and Iron → The eight lesser elements in the human body.
neutrons (n⁰) → Negatively charged particles located in a cloud, moving about the nucleus of an atom.
mass number → The number of protons in an atom.
chemical elements → Calcium, Phosphorous, Potassium, Sulfur, Sodium, Chlorine, Magnesium, and Iron; make up about 3.6% of the body's mass.
ion → The smallest units of matter that retain the properties and characteristics of the elements.