4. Elements in the same group on the periodic table have the same number of valence electrons.
5. Properties of elements within a period on the periodic table change in a predictable way from one side of the table to the other.
6. The number of protons in an atom determines the identity of the element.
Answer:
The reaction occurs and all H2 and O2 unite to form H20
The answer is D! This is because there is a change the colour, a change in odor and a precipitate formed!
Glucose and Oxygen
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Fire is a risk in all commercial kitchens. Open flames, grease, poor house-keeping practices, electrical hazards and flammable materials are common causes of restaurant fires.
What is an accidental fire?
Accidental fires are those in which the proven cause does not involve any deliberate human act to ignite or spread the fire.
Open flames, grease, poor house-keeping practices, electrical hazards and flammable materials are common causes of restaurant fires. Employers must implement effective administrative controls to protect employees and the business from the dangers of fire.
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