Yes,it is a pure substance but can be mixed with other gases. Like a fart. Har har har
Elemental helium and elemental oxygen are pure substances.
Yes
Symbol: He
Atomic #: 2
Helium is a chemical element.
yes
Helium is pure as it is on the periodic table.
Helium is a pure chemical element.
Helium is an element which makes it a pure substance.
No. Helium is an element, which makes it a pure substance.
No, helium is a pure substance and an element to be more specific. It has a constant composition making it a pure substance and it is homoatomic (has only one type of atom) which makes it an element.
Helium is pure as it is on the periodic table.
Helium is a pure substance
Helium is a pure chemical element.
Helium is an element which makes it a pure substance.
Helium gas is a pure substance
Helium gas is a pure substance
Helium gas is a pure substance
Helium is an element (and therefore a pure substance) yes
Yes, it is a pure substance but can be mixed with other gases.
No. Helium is an element, which makes it a pure substance.
No, helium is a pure substance and an element to be more specific. It has a constant composition making it a pure substance and it is homoatomic (has only one type of atom) which makes it an element.
No, helium is a pure substance and an element to be more specific. It has a constant composition making it a pure substance and it is homoatomic (has only one type of atom) which makes it an element.