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Photosynthesis is the process by which plants use SUNLIGHT, WATER, and carbon DIOXIDE to create oxygen and energy in the form of sugar.bag pagal smile kar WARNA marun ge

The electronic configuration of an element is RELATED to its position on the periodic table. the number of CIRCLES in the electronic configuration of an element is represented in the periodic table as the period number that element is situated in.Explanation:HOPE it HELPS

thermit is a pyrotechnic COMPOSITION of METAL powder and metal oxide. when ignited by heat or chemical REACTION, thermit undergoes on an exothermic reduction OXIDATION reaction.

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Electronic configuration express about the arrangement of ELECTRONS in an atom. So we can calculate the Group no. and Period no.Explanation:Maximum principal NUMBER express about the outer shell which is equal to the period number. If period change means orbit change. For Group no. If last ELECTRON ENTERS in S orbital then the no of electrons in s orbital is the group number If last electron enters into d orbital then group number is equal to the number of electrons added by 2. If last electron enters into p orbital then group number is equal to number of electrons in p orbital added by 12. all F block elements are in 3rd group.

Ca(OH)2 + CO2 → CACO3 + H2O.Explanation:PURPLE you army

What's in the nucleus? There are two types of particle in the nucleus of an ATOM: the PROTON and the neutron. The proton has a POSITIVE charge and a large MASS (1800 times more than an electron – see table 1). The number of protons in a nucleus is the same for all the atoms of a particular element.

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uneven DISTRIBUTION of electrons can make ONE side of the atom more negatively charged than the other, thus creating a temporary dipole, even on a non-polar molecule.These intermolecular FORCES are also sometimes CALLED “induced dipole-induced dipole” or “momentary dipole” forces.

A GROUP of gases that maintains TEMPERATURE of atmosphere is: b. NITROGEN and carbon dioxide.

um occupies high position in the metal reactivity series, it when combined with carbonate ions, forms very strong and stable bond (with the carbonate ions). This strong and stable bond between sodium and carbonate ions resist decomposition upto very high tempertaure and REQUIRES lot of heat energy to completely decompose. Such high temperatures and heat energy is not provided by normal HEATING. THUS sodium carbonate does not decompose on normal heating. Sodium Carbonate starts to decompose above 500 degree celsius. Anhydrous sodium carbonate melts at 851 degree celsuis, to yield sodium OXIDE and carbon di oxideAnhydrous sodium carbonate melts at 851°C :Na2CO3(s) ---->CO2(g) + Na2O(s)

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mark me as a brain listExplanation:Under ordinary conditions, none of these reacts with water.All three metals are above hydrogen in the activity series. Theoretically, they are all capable of displacing hydrogen from water, but that doesn't happen.Clean magnesium ribbon has a slight reaction with cold water. After several minutes, bubbles of hydrogen slowly form on its surface.The reaction soon stops because the magnesium hydroxide formed is almost insoluble in water. It forms a BARRIER on the magnesium surface and prevents further reaction.Mg(s)+2H2O(l)→Mg(OH)2(s)+H2(g) The reaction of Mg is more NOTICEABLE in HOT water (see how phenolphthalein indicator is used to detect the reaction in the video below).Aluminium does not REACT with water, because it forms a tough protective layer of aluminium oxide, Al2O3 , on its surface. That's why we use aluminium for cookware.Zinc does not react with water, because it, too, forms a protective layer of insoluble zinc hydroxide, Zn(OH)2 .Zn(s)+2H2O(l)→Zn(OH)2(s)+H2(g) The video below shows what happens when copper, zinc, and magnesium samples are PLACED in HCl , cold water, and hot water.

Ore is the rock from which the METAL is EXTRACTED in a convenient and economical way. Ore has a composition that is definite. Metals that OCCUR naturally in the earth's crust are CALLED minerals. Minerals that can profitably be used to get the metal are called ores.Explanation: bhai BADI Mushkil se likha hai please mark answer brainliest

A typical atom consists of THREE subatomic particles: protons, neutrons, and ELECTRONS (as SEEN in the helium atom

Vapour DENSITY is the measure of density of any GAS to the ratio of the density of Hydrogen. The RELATIVE density is DEFINED as the ratio of density of any substance to the density of standard substance.

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Magnesium SULPHATE. Magnesium sulfate ANHYDROUS. Sulfuric ACID magnesium salt (1:1) More... Molecular Weight: 120.37. Component COMPOUNDS: CID 5462224 (Magnesium) CID 1118 … Molecular FORMULA: MgSO4 or MgO4S PubChem CID: 24083Explanation:

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no. of NEUTRONS = ATOMIC MASS - Atomic NUMBER

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