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How many elements have to be present for a compound to form?

A compound forms when two or more different elements chemically bond together. Therefore, at least two elements must be present for a compound to form.


What is the least number of atoms in a compound?

A compound must have at least two atoms of different elements.


Is a compound made up od at least 3 elements?

a compound can be made out of 2 or more elements


What is a compound of two identical elements known as?

A compound can only consistent of at least two different elements.


Why do you have to mix a 2 elements to make a compound?

Part of the definition of a compound is that it must contain atoms of at least two distinct elements.


How many elements are there in a compound?

The number of elements in a compound depends on the compound in question. For example, water is a compound, H2O and it contains TWO different elements; hydrogen (H) and oxygen (O). Another compound would be ammonium hydroxide, NH4OH and it contains THREE different elements; nitrogen (N), hydrogen (H), and oxygen (O).


How many elements are in a compound?

The number of elements in a compound depends on the compound in question. For example, water is a compound, H2O and it contains TWO different elements; hydrogen (H) and oxygen (O). Another compound would be ammonium hydroxide, NH4OH and it contains THREE different elements; nitrogen (N), hydrogen (H), and oxygen (O).


How many elements are in one compound if sand?

2 elements


Can atoms of different elements combine to form a compound?

Yes: compounds have to consist of at least two different elements.


Does a compound always contain at least two or more elements?

Yes, a compound is a substance composed of two or more elements that are chemically bonded together in a fixed ratio.


Which elements of the periodic table is unlikely to have a reaction with any element or compound?

Elements of group 18 are least reactive.These are noble gases.They are unlikely to have a reaction with any element or compound.


How many elements do you need for it to become a compound?

At least one. (That's not, entirely, a smart-aleck answer. I suspect you don't understand the meaning of either element or compound or possibly both. You need some review study, and trying to figure out how "one" is a legitimate answer should provide that. As a hint, consider the diatomic gasses, or buckminsterfullerene.)