Technically, a non-pure substance is called a compound, so substance should not be used as an official scientific term. If you do come across the term 'substance', use context to decide. e.g. "Scientists isolated the substance boron." would be a pure substance, as boron is a single element.
the valence electrons cause the chemical reations. the valence electrons decide that element attract to which element.
The calcium oxide is CaO.
Uuq is the temporary IUPAC systematic placeholder symbol for Ununquadium. It will stay like this until the IUPAC decide on a name and symbol for it.
Clay is a naturally occurring substance with many uses, the use to which you are going to put it would decide how you would prepare it.
These atoms decide the chemical composition of the substance.
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If the chemical formula contains only one element (such as Mg, K or Cl2) it would be an element. If it contains two or more elements (such as NaCl, CO2 or CuSO4.5H2O) then it would be a compound.
how might you decide whether a given substance is a mineral
how might you decide whether a given substance is a mineral
how might you decide whether a given substance is a mineral
it depends on what element are you using....
Oh, dude, brine is a homogeneous mixture. It's like when salt and water get all cozy together and decide to hang out in perfect harmony. So yeah, it's not an element or a compound, just a chill blend of salt and water.
Technically, a non-pure substance is called a compound, so substance should not be used as an official scientific term. If you do come across the term 'substance', use context to decide. e.g. "Scientists isolated the substance boron." would be a pure substance, as boron is a single element.
in the indian context it is the spesker who will decide the importance of a bill. he also specfies wheather the bill is moneybill or not.
Ideally you would want one of the phrases "directly proportional", "varies according to" or similar.