Question

true or false:-1)an element contain more than one type of atom ?
2)a compound contain only one type of atom?
3)air is a mixture of elements and compounds?
4)an alloy is a homogeneous mixture? ​

Answer 1

Answer:

1. True

2. False

3.True

4. True

Explanation:

1. is True because the element is a pure substance.

2. is False because it is made up of two or more elements and an element is made up of 1 atom if elements are more than one then an atom is also more than one.

3. is True because air contains gases oxygen, nitrogen and argon which are elements and carbon dioxide which is a compound.

4.is true because the homogenous mixture is made up of two or more substances and the alloy is made up of two or more metallic phrases, hence it is a homogenous mixture