No. It is an ion with two different elements: nitrogen and oxygen.
The compound Fe(NO3)3(s), known as iron(III) nitrate, is classified as a salt. It consists of iron cations (Fe³⁺) and nitrate anions (NO3⁻). In its solid form, it typically appears as a reddish-brown crystalline substance and is commonly used in various chemical applications, including as a catalyst and in fertilizers.
element
Oxygen is a gas.
Copper: 2+Oxygen: 2-Nitrogen: 5+
You can treat a polyatomic ion as an element when balancing equations. The following example involves the polyatomic ion NO3-. Notice that the entire polyatomic ion is placed in parentheses and given its own subscript. 2Al(s) + 3Mg(NO3)2(aq) --> 2Al(NO3)3(aq) + 3Mg(s)
Mg(NO3)2 {note correct case for "O"} is not an element at all. Instead it is a compound of three elements, magnesium, nitrogen, and oxygen.
A representative element.
In each molecule of NO3, there is one nitrogen atom and there are three oxygen atoms.
Oxygen is classified as a non-metal element.
Oxygen is classified as a non-metal element.
an element
Calcium nitrate is a compound: Ca(NO3)2.
element
NO3- stands for nitrate anion. It has to have one negative charge ( .- ) in superscript position.
halogen
yes
Silver would be classified as an element, which is a type of pure substance.