a chemical formula
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
Selenium is a pure chemical element.
Helium is a pure chemical element.
this describes a chemical property
Yes, it is the compound Sulfur trioxide. Hint: If it has a chemical formula (with no + or - at the end) it is a pure substance.
Matter with a definite chemical makeup is a pure substance.
Uranium is a natural chemical element, a pure element.
Carbon is a pure substance with the chemical symbol "C"
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
Nickel is a chemical element, and as such, it is a pure substance.
pure substance,and chemical substance,
when a pure substance undergoes a chemical change it is no longer that same substance. A chemical change changes the identity of the substance. Hope i helped
a chemical
Silver is a chemical Element - which means silver is a pure substance.
No, anything with atoms of a single element is a pure substance. For example (DO NOT TRY IT), but JUST picture a glass filled with mercury (Hg). if there are only Hg molecules, then it is a pure substance.
substance.