Other than white and red phosphorus, there is another type, known as black phosphorus and it has a structure similar to graphite. 2015-05-24 17:48:19 2015-05-24 17:48:19. well YES. They exist as deposits/ rocks and these are mined to get required phosphorous. Favorite Answer. Phosphorus fertilisers are available in several forms, all based on rock phosphate. These electrons can move and conduct electricity. 11M.2.sl.TZ1.5a.ii: Explain why the first ionization energy of magnesium is higher than that of sodium. 11M.2.sl.TZ1.5b.i: calcium has a higher melting point than potassium. Phosphate. Colin. Asked by Wiki User. Wiki User Answered . When you eat foods that have phosphorus in them, most of the phosphorus goes into your blood. 1 2 3. What foods contain phosphorus? Why is sodium a better conductor than francium? I thought it is because of delocalised electrons and reactivity? Update: It is an AS/A level question. Relevance. I'm confused. Superphosphate (9% P) This is produced by treating rock phosphate with sulfuric acid, and is the most commonly used phosphorus fertiliser. Australian farmers use much more phosphorus than nitrogen and potassium compared with farmers in Europe and USA. Phosphorus is a mineral that's found naturally in many foods and also added to many processed foods. In some conductors, such as copper, the electrons themselves are able to … I thought it is because of delocalised electrons and reactivity? Why is a low-phosphorus diet useful in managing kidney disease? a) Explain why the metals magnesium and aluminium are good conductors of electricity b) Other than cost, give two reasons why aluminium is used for making electric cables while magnesium is not. Answer From Rachael Majorowicz, R.D.N., L.D. Electricity is a steady flow of electrons or electrically charged particles through a substance. Metals are atoms in a sea of electrons. Healthy kidneys remove extra phosphorus from the blood. Complete the dot-and-cross diagram to show the electron arrangement in a molecule of phosphine. Lv 7. Sodium is a metal. One phosphorus atom is bonded with four oxygens to form a -3 … Answer Save. Top Answer. Phosphate is the common inorganic form of phosphorus, which is present in the natural environment. ... Write a chemical equation for the reaction between phosphorus(V) oxide and aqueous sodium hydroxide..... [2] 5 LES 2019 06204219 [Turn over (d) Phosphine has the formula PH 3. 11M.2.sl.TZ1.5d: Samples of sodium oxide and sulfur trioxide are added to separate beakers of water. To understand why salt water conducts electricity, we have to first understand what electricity is. 11M.2.sl.TZ1.5a.i: Define the term first ionization energy. The atoms in the metal are actually cations or positivity charged. Answer. Why potassium is better electrical conductor than lithium or sodium? Show outer shell electrons only. (iii) Explain why phosphorus is a non-conductor of electricity. 8 years ago. 1 Answer.

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