Chemistry
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Potassium is the most reactive of the three, followed by sodium and then Lithium
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water molecules bond with the Na+ and Cl- atoms in the salt (= NaCl)
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In a critical mass, the material involved starts to undergo fission because of the presence of a dense neutron flux. The fission...
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there are 7 : H2 N2 O2 F2 Cl2 Br2 & I2
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One use of sulfur dioxide is as a food preservative (by killing bacteria).
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potato salad dog hair iPad case beer wool/polyester blend soap mud cardboard Jamaican coffee dry wall Ringer's lactate ...
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The rate of reaction increases with increasing temperature. When the temperature is increased, the kinetic energy of the reacting...
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8
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get to the doctor Or you'd better get to the bright light if it really shows up
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Should you drink hydrochloric acid by accident, spit out the remaining acid in your mouth. Drink one litre of water immediately...
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Protons: PositiveElectrons: NegativeNeutrons: Neutral
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Magnesium is used both in making fireworks and medicines.
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Inert gases can also be called noble gases. An example is Helium.
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No. The epiglottis is a cartilaginous structure at the top of the larynx and behind the tongue that closes the trachea during...
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in chemistry the term au could stand for gold (from the Latin 'auris')
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Newtoien olmayan akışkanlarda kayma gerilmesi ile hız gradyeni arasındaki ilişki liner değildir. Örnek çamur, ketçap,...
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It is because when surface is more, more does the ice get exposed to heat and thus quickly attains heat and energy. This makes it...
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Oxygen, Chlorine, Fluorine etc
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Any conductor does not specific no. of electrons. The no. of electrons per atom of conductor depends upon the element of which...
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It obviously uses conductors to carry electricity through the system however non-conductive material is used for the reason of...
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It's a solid, obviously. Why the silly question?
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physiochemical properties are the properties which a new drug entity must satisfy to become a drug in the market. The various...
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baking powder will not show any colour change in litmus soltion because water is absent but wen it is mixed wid water and then...
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cus the alcochol will catch fire
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sodium chrloride....the bond would be ionic
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Zirconium is a metallic element that is listed as one of the transition elements in the periodic table. It is not an ore of zinc.
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common ion effect.
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Hydrochloric acid kills bacteria and other microorganisms that may be present in food. In addition, an acidic environment is...
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yes it can
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1. Australia 2. South Africa 3. China 4. Norway 5. Ukraine 6. United States 7. India 8. Vietnam
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Hydrogen chloride is a gas, Hydrochloric acid is the acid. ( difference is in solution )
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metals electropositive, basicity, hard, ductile, malleable, sonorous nonmetals electronegative, acidic, brittle, and not all the...
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There are 5 elements between Hydrogen and Nitrogen. Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen
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v can separate camphor and salt by the method of sublimation by dis method camphor sublime easily and faster .......thus salt and...
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Aluminum can be bonded to aluminum in a number of ways. It you're talking about the atoms of the metal, then the answer is the...
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There are spaces in the atomic spectrum of hydrogen because there are discrete energy levels that the electron in the hydrogen...
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NCl3 is indeed covalent. Specifically it is polar covalent as the electrons shared by nitrogen between the 3 chlorines will spend...
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Elecronegativity decreases as you move down the periods of the periodic table. Since Ba is further down the table than Be in the...
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Ductility measures a metals ability to be drawn into wires. Malleability measures a metals ability to be flattened into sheets.
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He helium
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A substance will float on water or not depends upon whether its density is greater than density of water or not. If it is greater...
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A mixture.Certainly not a compound because the coffee particles are not chemically bonded with the water molecules.And definitely...
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Chlorine dissolves in water. The solution is known as chlorinated water and freshly prepared solution of chlorine water contains...
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Sodium chloride. NaCl. Table salt. FeO Ferrous oxide. Rust.
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Chemical bonding.
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Molecules are constantly in motion. Whether they are free moving, as in a gas, or are vibrating in place, as in a solid object,...
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Electron affinity is the amount of energy released when a neutral atom accepts an electron. Halogens have the highest electron...
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Chalcocite is a copper(I) sulfide (Cu2S), an important copper ore mineral
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It is transparent and colorless, you can't see it.
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Iron is a solid below the temperature of 1538 °C because the element's atoms form a cubic structure with high cohesion. At...
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When a car is turned into a wreck, this involves a physical change because the molecular composition of the car doesn't change....
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If for example you dissolve salt in water all you have to do is evaporate the water to get the salt back. If you want to keep the...
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In general chemical reactions, metals tend to loose electrons and non-metals gain electrons. The no. of electrons loosed by...
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if an experiment is done in a test tube and hydrogen gas is given off if a lit splint is placed inside the test tube there will...
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The object has a density of 5 g/cm3 . This is because, to calculate the density of an object, you divide the mass by the volume....
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sodium: sohni ko lithium: le gaya jab calcium: car magnesium :me aluminium: aaya tha zinc : zara iron: idhar ko lead:...
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Nothing, the volume wont change whatever you put it into...
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Br2(l) + 2KI(aq) --> 2KBr(aq) + I2(s)
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Somebody has got to tell me I don't know.
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About 300 Atmosphere ,800 degree c
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Cations are positively charged. Anions are negatively charged. Cations are smaller than the nucleus from which they are formed,...
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Raising the temperature of a solvent, in this case water, increases the solvents capacity to dissolve solute, in this case...
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You can't do that, but you can extract potassium chloride from the charred remains of the potassium chlorate reaction. If you...
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Evapouration is called a surface phenomenon because as we put water in the presence of sunlight with duration in time the...
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The compounds which are unable to break the hydrogen bonding in water such as oil like compounds in these compounds lattice...
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If it is burnt with a gas such as oxygen then yes
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at 180 degree centigrate the sulphuric acid dissociates and we get nucleophile which under go beta elimination reaction with...
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the process is called evaporation if the if the temperature is below its boiling point and of it is above its boiling point then...
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Calcium carbonate is white;coppper (II) hydroxide is blue;iron (III) hydroxide is reddish brown.
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Ozone is a tri-atomic element with 3 Oxygen atoms in one molecule: O3
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150 (g O3) / (3*16.0 (g/mol O3)) = 3.125 (mol O3) 3.125 (mol O3) * 22.4 (L/mol) = 70.0 Litre Ozone gas
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There are two different copper oxide formula's: 2Cu + O2 -> 2CuO (black Copper(II) oxide) or 4Cu + O2 -> 2Cu2O (red...
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Atomic elements typically want to have full electron shells ("valence shells"), instead of shells with uneven numbers. Group 1...
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Hydrogen is not exactly written alone on the periodic table. The table is organized into rows and columns, both of which...
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nitrogen the bright idea behind the brightest invention or life wouldn't be the same without it
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Distilling is an effective way to extract salt from water. You can boil the salt water and collect the steam for fresh, salt free...
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yes, in the periodic table they are.
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rubidium 1957
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Most acids will however hydrochloric acid definitely does.
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There are five elements of weather: Temperature, atmospheric pressure, humidity, wind and rain. None are more important than...
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You will burp a lot. The sugar in the Mento causes the carbon dioxide in the soda to be released quickly. No, it will not make...
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a solution that contains more hydrogen ions than hydroxide ions pH below seven
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added to the food mass in the stomach. Digestion of proteins starts here, but all digestion is completed in the first 10 inches...
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The greater the specific heat, the lower the temperature rise. The specific heats will be listed in the Handbook of Physics and...
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No, a ball sitting at the top of a hill has potential energy, but once that ball starts to roll down the hill it's potential...
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They are the primary intermolecular attractive forces that act between nonpolar molecules. -Apex.
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