Which of the following is/are elements?
a) gold
b) copper
c) silver
d) all of these
Which of the following retain the same properties even if broken down?
a) compounds
b) molecules
c) elements
d) ions
There are a total of …….elements.
a) 92
b) 26
c) 118
d) 69
How many elements are natural and found on earth?
a) 92
b) 26
c) 118
d) 69
How many elements are artificial and are synthesized in lab or hypothetical that still are not discovered?
a) 92
b) 26
c) 118
d) 69
Elements are represented and written as…….
a) full names
b) Latin names
c) symbols
d) English names
Explanation:Chemical symbols are the abbreviations used in chemistry for chemical elements