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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: Is a lava lamp a mixture or a solution
1 answer
Q: What 2 things are given off during cellular respiration
2 answers
Q: Why does cellophane shrink when heated
1 answer
Q: What is the chemical formula for copper and chlorine
1 answer
Q: What is the chemical name for Pb (CN)2
2 answers
Q: What is the significance of an electronegativity difference between 1.7 between 2 atoms
2 answers
Q: Which element has the same number of electrons available for bonding as magnesium
2 answers
Q: Which element is located in the s block period 4 and group 1
5 answers
Q: How are these gases harmful to the atmosphere
1 answer
Q: Does potassium and calcium form an ionic bond
2 answers
Q: Is silicon dioxide soluble or insoluble
2 answers
Q: Do bees make oxygen
2 answers
Q: What is an anthraquinone
2 answers
Q: Is oxygen gas pure or impure
1 answer
Q: Why are sodium ions pumped out of the cell
1 answer
Q: Is silver tarnish toxic
1 answer
Q: Why phosphine is more basic than ammonia
3 answers
Q: What is the chemical formula for barium ions and iodide ions
7 answers
Q: What is HYKINONE
1 answer
Q: Does potassium react fast with oxygen
1 answer
Q: Why acids and bases can differ in their strengths
2 answers
Q: How do i describe a chemical change
8 answers
Q: Does baking soda react to water
1 answer
Q: How is a kidney and coffee filter are alike
3 answers
Q: What do scientists use to measure a liquid turns into solid
7 answers
Q: What is the number of grams of an element that is numerically equal to its mass in amu
2 answers
Q: What is the following compound CaCl2
1 answer
Q: What amount (moles) of carbon dioxide gas is present in a compressed cylinder (900 mL) at 300 kPa at 25.0 C
3 answers
Q: How do i balance SO2 Li2Se à SSe2 Li2O
1 answer
Q: What is the person that makes a candle called
1 answer
Q: Is acid rain damaging something a physical change
2 answers
Q: What are combinations of substances that cane separated by physical processes
1 answer
Q: Is jewelry nonrenewable
1 answer
Q: When the temperature of a sample of water is negative 5 degrees Celsius the water is
2 answers
Q: Does a chemical equation use symobols and formulas to show the reactants and the products of a chemical reaction
6 answers
Q: Does bromine lend or borrow how many electrons
2 answers
Q: What is the total reduction potential of a cell in which lithium (Li) is reduced and mercury (Hg) is oxidized
8 answers
Q: What species is reduced in the reaction Fe plus AgNO3Fe(NO3)3 plus Ag
2 answers
Q: Can elements be separated in physical means
5 answers
Q: Which element between calcium potassium scandium and titanium has the smallest atomic radius
2 answers
Q: Where are Plants with deep root systems and waxy leaves found
4 answers
Q: Is boron poisonous or hazardous
2 answers
Q: When using a electronegativity chart to determine the type of bond will form between the elements As plus Al
1 answer
Q: How does your body respond to low oxygen levels
1 answer
Q: How much of plasma is h20
1 answer
Q: How is the periodic table used to describe atomic structure
2 answers
Q: When does an iconic bond form between a metal and a nonmetal
1 answer
Q: Which two elements along stair step line are not metalloids
2 answers
Q: What is the hybridization of XeF3
1 answer
Q: Which two subatomic particles have charges that attract to each other
7 answers
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