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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: Is chocolate chip muffins a mechanical mixture
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Q: Where is the verb for the follow sentence gold melts a 1063 degrees centigrade
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Q: Is sr3n2 ionic
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Q: What pH word has the meaning of string of words
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Q: How many core electrons are in AL
4 answers
Q: Is dust settling out of the air a chemical change
2 answers
Q: When two pairs of electrons (four total electrons) are shared between two atoms a bond is formed.
2 answers
Q: What does a non-polar covalent bond show about the electronegativities of its do atoms
1 answer
Q: What is Iodine solution
2 answers
Q: What number of protons in one atom of an element is that element's
7 answers
Q: What happens when potassium nitrate is added with citric acid what reaction is it
1 answer
Q: What does a radical with one atom of sulphur and three atoms of oxygen make
1 answer
Q: How does gain make slime when mix with glue
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Q: What causes an ionic bond form
4 answers
Q: Is perchloric acid an electrolyte
1 answer
Q: Is Pbcl4 ionic or molecular
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Q: Is rb2co3 covalent
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Q: What does Non rd chemical energy have in common
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Q: How many decigams are in one gram
1 answer
Q: How many chlorine atoms are there in four phosphorous trichloride molecules
1 answer
Q: What is the formula for iron(II) sulfate
3 answers
Q: What are Characteristics we use to tell the difference between kinds of matter called
1 answer
Q: When a banana is yellow is that a physical or chemical property
1 answer
Q: When silver tarnishes when it comes in contact with hydrogen sulfide in the air is that physical or chemical property
1 answer
Q: What are chemicals made from oil or natural gas called
1 answer
Q: What type of bond forms between Cl and P
4 answers
Q: What atoms constitute this structure
1 answer
Q: How many moles in 150.0 g O2
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Q: Where in the country is the water the acidic
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Q: Why can liquid boil at low temperatures
9 answers
Q: When methanol is burned and leaves a residue a physical or chemical change
3 answers
Q: Is it correct to say that dessolving a packet of juice powder in water makes a new stubcance fruitpunchso it must not be a physical change
1 answer
Q: Is a twizzler a element a mixture or a compound
1 answer
Q: Why does sandstones cemented by calcite (limestone )weather faster than those cemented by silica
1 answer
Q: Is zinc sulfide ionic or molecular
1 answer
Q: Is sulfur hexaflouride ionic or molecular
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Q: Was not a step in the three step water treatment process
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Q: How do you determine the total number of elements in a chemical formula
1 answer
Q: What will be the number of hydrogen and hydroxide in a PH of 6
1 answer
Q: How Oxygen transporting protein contained within erythrocytes
1 answer
Q: What periodic means
3 answers
Q: What reaction will occur with BaCl2 and NaCl
1 answer
Q: When baking soda reacts is that a physical or chemical
1 answer
Q: What is The new and different substances formed as a result of a chemical change
2 answers
Q: If separated table salt physically into the smallest possible particles what type of particles would be obtain
1 answer
Q: What are the following changes of state and explain how particles behave in each state
7 answers
Q: Is roentgenium a metal non metalor metaliod
2 answers
Q: What is Liquid to gas at boiling point called
2 answers
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