The elements in Period 3 of the Periodic Table are as follow: Sodium Magnesium Aluminium Silicon For each of the element, i. Write the formula ofits oxides. ​

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

Geothermal energy for industrial use is available almost anywhere. a.true b.false

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.