Approximitly 0.013787375 moles
Air is a insulator in normal conditions,but when heated up to high temperatures it becomes a conductor. <span />
Explanation:
where are the chemical reactions and their properties to match ?????????
Answer:
Element
Explanation:
An element is substance that is composed of only one kind of atom and can not be separated into simpler substances or converted into another substance by chemical processes.
Chemical elements are found in the periodic table. Examples of chemical elements include; sodium potassium, phosphorus, hydrogen etc.
Density = mass / volume so
Density = 156 / 20.0
Density = 7.8 g/mL