The list shows a number of common chemical substances. [5] A. iron
B. carbon dioxide
C. mercury
D. hydrogen
E. sodium chloride
F. water

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- Divide the above elements into metals and non-metals.

Which of the following statements is true about planck’s law

How many atoms are there in 5.70 mol of mg

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.