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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: Electrons are excited in photosystem I. What do these electrons combine with in order to produce an energy-carrying molecule
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Q: How do you open a 92634278 soap dispenser
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Q: What is the scientific name for foam
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Q: What will moisture in a sealed system cause
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Q: Atoms with electronegativity differences below 0.4 generally form covalent bonds.
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Q: Elements in Group IIA (also known as Group 2 or the alkaline earth metals) have similar properties because they all have the same number of .
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Q: The number of valence shells are responsible for the makeup of the chemical properties of elements.
3 answers
Q: Where was boron discovered-created
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Q: Who discovered or created boron
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Q: Can chlorine decay
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Q: Why do dead leaves gradually shrink if left in a warm and damp place
4 answers
Q: Saan galing ang pangalan ng mercury
1 answer
Q: Why the formula of nitrogen gas is N2
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Q: How many valid electron dot formulas having the same number or electron pairs for a molecule or ion can be written when a resonance structure occurs
2 answers
Q: What does the plus sign indicate in a chemical equation
1 answer
Q: CHEMICAL KINETICS READINGS BETWEEN Na2S2O3 and HCl
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Q: What does the group number mean
2 answers
Q: What is a material the conducts a current under certain conditions
1 answer
Q: On what basis is a chemical equation balanced
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Q: Que nombre asigno mendeleiev a los elementos faltantes y cual es su denominacion actual
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Q: Can chromium bond with itself
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Q: How many moles are in 98.3 molecules of aluminum hydroxide AL(OH)3
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Q: How many mL of 0.1010 M HCl will be needed to titrate 0.3151 grams of primary standard Na2CO3
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Q: What the difference between carbonate residue and an impression
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Q: What gas is produced when sugar and cupric oxide reacts
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Q: Does osmosis occur when dried apple slices are placed in distilled water and corn syrup
1 answer
Q: Is sodium and fluorine ionic
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Q: What is the element which belongs to the third group and third period
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Q: What is a sentence using chlorophyll
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Q: Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of sodium carbonate and iron(III) bromide are combined.
2 answers
Q: When aqueous solutions of Pb(NO3)2 and FeCl3 are mixed does a precipitate form
4 answers
Q: Describe oxidation acid precipitation carbonation organic acids in terms of chemical weathering
1 answer
Q: When one atom shares an electron with another atom to fill the outermost shell it forms an
2 answers
Q: When one atom gives up an electron to another atom what does it form
7 answers
Q: What is a black burnable substance mined from earth used for generating electricity same as charcoal
2 answers
Q: Chemical name for C12H22O11
7 answers
Q: Why does solid citric does not conduct electricity but a solution of citric acid does
1 answer
Q: How many elements does CO have
1 answer
Q: How coal forms
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Q: In most medical procedures hazardous waste is produced. This hazardous waste is usually burned which can release hazardous chemicals like mercury into the air. How could technology be best used to sol
1 answer
Q: Is drain cleaner mixed with water and the solution becomes warm a chemical change
2 answers
Q: High energy molecule used by cells
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Q: How are ionic compouds named
1 answer
Q: Which of the following are elements of the COLDER principle (Select all that apply)
2 answers
Q: What is the cost for chlorine
1 answer
Q: Choose the element that is largest.
3 answers
Q: What element that will most easily lose an electron.
6 answers
Q: The lattice structure in a metal is than the lattice structure of an ionic compound.
1 answer
Q: How many covalent bonds join the atoms in a molecule of ammonia(NH3)
3 answers
Q: A chemistry student writes the molecular formula for sodium phosphate as Na3P1O4. Although this version of the formula is acceptable how is the formula more typically written
2 answers
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