SCIENCE
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
yes
|
|
|
No
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -Elements are those substances that are composed of one kind of atom. They cannot be broken down into simpler types of matter by either physical or chemical means. They can exist as atoms (for eg: Neon) or molecules (for eg: Nitrogen).
Detailed explanation-2: -You already know that elements are pure substances that cannot be broken down into simpler substances. When elements combine, they form new substances called compounds. Compounds have entirely new properties, different from the properties of the elements that it contains.
Detailed explanation-3: -We can define an element, as a type of matter that can not be broken down into a simpler substance by chemical means. The only way to break down an element, or change it into a different element, is via a nuclear reaction.