- 1. Which of the following is the chemical formula for ozone?D
- 1. Which air pollutant is associated with slow development and permanent reduction in mental ability for young children?B
- 1. Urban areas receive less sunlight than rural areas, partly as a result of greater quantities of __________ in the air.C
- Sea water is a mixture of water, salts, and gases. State the name of two salts found in abundance in seawater.
- Predict the relationship between salinity and freezing point that the student would find in this investigation.
- Compounds containing the following ions are generally insoluble
- what is always involved when physical or chemical changes occur?
- The parent nuclide is the ______________ in the series.
- The completion of energy levels in magic numbers makes these elements particularly what?
- During radioactive decay, a nuclei become more what?
- When above the band of stability, the element has a __________ proton-neutron ratio.
- The ______________ nuclide is produced from the parent nuclide.
- Radiometric deating uses what elements to tell age?
- In medicine, nuclear radiation is used in therapy, tracers, and __________.
- What proton-neutron ratio is the most stable?
- Are Beta particles smaller or bigger than alpha particles?
- Power Plants produce electrical energy using these isotopes:
- Do Beta particles cause more or less damage than alpha particles?
- When above the band of stability, the element emits what particles?
- When below the band of stability, the element has a __________ proton-neutron ratio.