Chemistry
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
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potassium thiocyanate
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Change of color of the substance, change of smell, change of texture (viscous vs. non-viscous), and also if there is a noise when...
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A strong acid will, up to a certain point, have a pH which is the negative log of its concentration (in molarity units). This...
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The number of protons/neutrons in an atom of that element.
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PEE KOOLAID gatorade lemonade orange juice
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Generally, carbon and hydrogen.
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the filler plugs in to the system and fills it up
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One electron will have spin "up" and the other will have spin "down." When there are two electrons in an orbital -- the maximum...
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Because it is not a physical change it is a chemical change.
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Barium reacts with nitrogen to produce Ba3N2. 3Ba + 2N -> Ba3N2 The is a synthesis reaction.
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Diamonds are formed from carbon. Once formed as diamonds, there is no further formation.
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The formula for barium oxide is BaO.
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Oxygen.
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It might make a fire, but sometimes it just doesn't do nything.
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Freeze it. This will stop the atoms or molecules from moving.
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the`valency of Mg is 2 but of CN is 1.
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Increase
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Since the formula mass for arsenic is generally considered to be that of a single atom, the answer is 3.5 times Avogadro's Number...
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Depends on the acid, Hydrochloric is only 1 H+ while citric is 8 H+
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The closer they are to the center of the periodic table, the more likely they are to form covalent bonds. The closer to the...
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Yes look at air it has oxygen and nitrogen(elements) and carbon dioxide(compound)
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Boyle's Law: P1V1= P2V2. The pressure and volume are inversely proportional.
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An ionic compound has an electronegativity difference greater than 1.7 between molecules (or poly-atomic ions). as covalent bonds...
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haploid cell
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it means parts per million.:) ur welcome!
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im guessing you mean valence shell electron configuration that would be: 5s^2 4d^10 5p^6
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solution, a solid is disolved into a liquid
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"Pool chemicals, and most chemicals, are dangerous for human consumption. Read bottles carefully to be aware of just how risky...
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"There are several components needed for pool chemistry; a dry or liquid chlorine along with a chlorine stabilizer, an acid for...
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"Some of the chemicals that are needed for a hot tub are chlorine, bromine, biguanide, ozone and mineral spa care. You also need...
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Yes... When water is heated, the intermolecular force of attraction between water atoms become weak and they start losing the...
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Different types of radioactivity have different amounts of energy and this directly impacts the half life. More energy will...
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one carbon and two oxygen's, di is the prefix for two
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Argon cannot freeze. The temperatures required would be below absolute zero which is impossible to achieve. Therefore the answer...
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OXYGEN!
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Typically, a metal and a nonmetal will form an ionic bond. You can also go by electronegativity. The difference in...
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No. Solids do not boil, but they may sublime, which is when a solid goes directly into the gas phase without melting first....
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No. By definition, a mixture of any kind is not a pure substance. A mechanical mixture is one in which its components can be...
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when two elements combine, its called a compound. when when two things like water and koolaid mix combine, its a mixture!
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your lungs... if this doesnt help you go on google or bing tht is what i go to if this doesnt help me
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Hello baby my name is megan and i'm a leso.
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Calcium atom 20 e- Ca2+ 18 e-
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Depict moles eg: Fe2O3(s) + 3CO(g)--> 2Fe(s) + 3CO2(g) 1 mole of Fe2O3 4 moles of CO 2 moles of Fe 3 moles of CO2
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This is properly called "freezing". Occasionally, it can be called "solidifying", but that's not really correct.
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no. im 12 so just guessin :) but im pretty sure. if not tell my teacher.
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I do not think so...
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Density = Mass/Volume = 50/210 g/cm3 = 0.2381 g/cm3
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Purely covalent bonds, because it is 'all-sided' symetrical.
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if you mean who: dmitri mendelev
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the largest small side
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A covalent bond is characterized by atoms sharing pairs of electrons. For example: CH4 is a covalent bond. Carbon has 4 valance...
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energy has been used or given out
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don't know look in your science book
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An ionic chemical bond is when a bond is formed by the transfer of elections. Fore example NaCl has an ionic bond since Na gives...
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1st ,,,,the constituents of both are different... methane is ch4 whereas ammonia is nh3 . if u want a practical...
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particles expand hence takes up more space(flattening)
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The nuclear particle that has no charge is the neutron.
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SO3, Sulfer Trioxide. Or SO3(2-), Sulfite.
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An atom that carries an electrical charge because it has gained or lost electrons is called an "ion". An atom that has gained one...
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Anhydrous means it does not contain water;therefore, the chemical formula is Cu(II)SO4
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because it doesn't have hydrogen in it. we should only breathe in H2O, in air form.
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Cl3
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When the water which is contaminated ir around the farm,the germs affect the growth of the farm produce.
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It becomes a different element, and probably radioactive due to excess neutrons.
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Yes, you can replace non-renewable substances (like coal, oil and gas) with manure, you burn the manure the same way you'd burn...
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u get baking beer
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sodium
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A gas is compressible, meaning that you can force it into a smaller space. Since the particles themselves cannot change size, you...
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i dont know how it does it but the term is called sublimation
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At the Chemical Convention known as STP, or Standard Temperature and Pressure, 20 kg of Air contains more water vapor.
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hydroxide ions
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There are many things that determine whether something is polar or nonpolar, such as the chemical structure of the molecule. In...
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Iron(II) oxide, also known as ferrous oxide. , Iron(II) oxide is used as a pigment. It is FDA-approved for use in cosmetics and...
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Chemical reactions proceed via the formula: R=k[a]x [b]y/[ab]cWhereR= reaction ratek= constant[a] = concentration of first...
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Neutral is not a charge. It's the absence of any charge, and it doesn't interact with charges of either polarity. What actually...
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Yes! If they didn't it'd be like having 2 identical samples of iron and calling the two different names!
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so it goes KABOOM
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Believe it or not, salt.
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Energy added excites (causes to move) the atoms and will cause something to go from solid to liquid. A solid state like ice has...
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Hard and soft are terminologies used in the ancient medieval times when alchemy was the predominant ideology. Using a little bit...
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You need two hydrogen atoms and one oxygen atom to make one molecule of water. In fact, a quantity of water is produced by the...
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because the llamas controlled his mind
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water, carbonic acid, and carbon dioxide
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A compound ? im doing something familiar to this(: i have to find a compound :\ I Found NaCl But now i need to find out WHEN it...
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This is so because CO2 is a green house gas which does not allow the harmful UV rays of the sun trapped by the Earth to go back ,...
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