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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: What element has 2 electrons in the first shell 8 second shell and 6 in the third shell
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Q: How can you convert among the count mass and volume of something
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Q: What happens when a chlorine atom gains an electron in it's outer energy shell
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Q: What is the oxidation number of oxygen (O) in the compound H2O
5 answers
Q: What kind of damage does acid precipitation do and why
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Q: Why when we mix two elements together can we often separate them easily again
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Q: What type of bond will form between Na and O
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Q: Why is methane a gas at 20 degrees Celsius
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Q: When a crystal of copper sulphate is placed at the bottom of a beaker containing water the water slowly turns blue why
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Q: Is BaI2 a covalent or ionic compound
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Q: Is SF6 a covalent or ionic compound
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Q: Does CaCO3 have a Lewis structure
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Q: Does heptene decolourize bromine water in the dark
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Q: Will a plastic cup keep hot water hot for longer
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Q: What is the process that changes the internal structure of a material
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Q: When preparing a chlorine bleach wiping cloth sanitize solution
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Q: What is the total number of atoms in the formula Al(NO3)3
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Q: Which vitamin or mineral carries oxygen from the lungs to the rest of the body
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Q: Is Platinum ionic covalent or metallic
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Q: How does NH4OH H2SO4 form a double displacement reaction
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Q: What type of substance can seep into groundwater and make it unstable
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Q: Is Na2HPO4 an acid
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Q: What are three materials that convection is made of
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Q: How is sulfur found in nature
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Q: What is the chemical behavior of different elements and what is it determined by
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Q: When oxygen is available sulfur dioxide is produced from the burning of sulfur.what is the equation for this
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Q: What elements in the periodic table are an acid
9 answers
Q: Are all atoms present at the start of a reaction are present at the end
7 answers
Q: How do you type Carbon dioxide in scientific notation in Word 2010
1 answer
Q: What is sulfur odor
2 answers
Q: What does 1cubic foot of triple 19 fertilizer weigh
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Q: What happens to energy when a chemical bond is broken or forms
4 answers
Q: Does silicon form an ion
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Q: Is HF acid
3 answers
Q: What is properly shared by the elements in the carbon family
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Q: What type of measurement can be used to differentiate between sodium chloride and sugar when dissolved in water
1 answer
Q: Why does the presence of lone pairs contribute to the polarity of a water molecule
5 answers
Q: What is the science behind how antacids work
1 answer
Q: When was fluoride founded
2 answers
Q: What is it called when a gas turns to a liquid which turns into a solid
1 answer
Q: What color do purple and yellow make when mixed together
1 answer
Q: What happens if acid rain falls on metal
1 answer
Q: What elements make up calcium hydrogen carbonate
1 answer
Q: Is S2O ionic
1 answer
Q: What effect do glass beads have on the boiling point of water
7 answers
Q: What would happen if there wasn't any Argon
2 answers
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