|
Which of the following is an element? |
|||
|
(a) |
Mercury |
(b) |
Ammonia |
|
(c) |
Water |
(d) |
Glucose |
|
Which of the following is an element? |
|||
|
(a) |
Mercury |
(b) |
Ammonia |
|
(c) |
Water |
(d) |
Glucose |