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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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Questions
Q: Why does sodium have a larger atomic radius than aluminum
1 answer
Q: Which substances are transported across the cell membrane by ATP requiring transport pumps
1 answer
Q: What formula has equal numbers of nitrogen atoms
1 answer
Q: What is the formula for a compound containing aluminum atoms and also three times as many chlorine atoms as there are aluminum atoms
2 answers
Q: What are two ways that heat can be involved in a chemical change
1 answer
Q: What bacteria obtain energy by stripping hydrogen and electrons from ammonium ions
1 answer
Q: What do 4 stable covalent bonds yield
1 answer
Q: How do you find what type of bond is a compound
1 answer
Q: How my one correct the pH of a Lake with a reading of three
1 answer
Q: What type of reaction is 6Li N2 2Li3N
3 answers
Q: Is argon gas mixture
2 answers
Q: How might you ditinguish between hydrogyn peroxide and water
1 answer
Q: What state is methane in at 100 degrees celsius
1 answer
Q: What is choloplasm
1 answer
Q: Does oobleck work with flour
1 answer
Q: Which of the following is the correct formula for nitrogen triflouride
3 answers
Q: Classifying Which of the following is a solution pure water fruit punch cereal and milk in a bowl explain how you know.
2 answers
Q: What are the differences in the way water molecules move in cold room temperature and in hot water
2 answers
Q: What is the chemical SiO3 2-
2 answers
Q: What is the guide number in the ERG for sulphuric acid
1 answer
Q: What is sodium azide
2 answers
Q: What is the electronic structure of fluorine
2 answers
Q: Which is bigger 5 g or 580 Milligrams
2 answers
Q: What is the oxidation state of N in nitric acid HNO3
1 answer
Q: What is Phosphate heads
3 answers
Q: Which is the correct order to use in writing the name of an iconic compound
1 answer
Q: What word means reacts with vinegar to produce new substances
2 answers
Q: How do scientists represent chemical reactions
1 answer
Q: What is silver a conductor insulator or semi-conductor
1 answer
Q: How many covalent bonds are present in 9g of H2O
1 answer
Q: When you add salt to ice what happens to the melting point of the ice
2 answers
Q: What is the ratio between the number of hydrogen atoms and the number of oxygen in a disaccharide
3 answers
Q: Is chlorine more reactive than aluminum
2 answers
Q: How many grams of NH3 can be produced from 3.38 mol of N2 and excess H2.
1 answer
Q: Which one is the most reactive metal potassium lithium or sodium
7 answers
Q: Which is more reactive chlorine or aluminium
1 answer
Q: What is the state of oxygen at 50 degrees
1 answer
Q: Is Cl2 or F2 most chemically active
1 answer
Q: Is stretching copper into wire physical or chemical change
5 answers
Q: How is the calculation of 24 hour urine creatinine done
1 answer
Q: Is the group 15 element oxygen used to make fertilizer
1 answer
Q: Do elements that have some properties of metals and some properties of non metals are called halogens
2 answers
Q: Is menthol an acidic
1 answer
Q: How much sugar dissolves in 100 degrees Celsius
5 answers
Q: What are not properties of bases
1 answer
Q: What is the pH of silicon dioxide
1 answer
Q: What is law described by the fact that carbon dioxide consists of 27.3 carbon and 72.7oxygen by mass
1 answer
Q: What is the formula mass for Ca3(PO4)2
1 answer
Q: Is NaOH a strong acid
2 answers
Q: How long will it take for 30g of radon-222 to decay to 7.5g
1 answer
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