which of the following is the symbol of an element? A) Carbon dioxide B) Ca C)Water D)HCI
Answers
Answered by
3
"Ca" represents symbol of an element
Explanation:
- The names mentioned in the question are full forms of compounds. Such as carbon dioxide which is represented by the symbol CO2.
- Water is represented by the symbol, H2O
- However, HCL is a symbol for an acid e.g. hydrochloric acid. But it is not an element because it is a combination of elements hydrogen and chloride.
- So, the correct option is B) Ca, which represents the element calcium.
Answered by
1
B) Ca - Calcium
Explanation:
A) Carbon dioxide - This is not a symbol but the name of a compound.
B) Ca - This is the symbol of an element. Ca stands for Calcium with atomic number 20. It is an alkaline earth metal.
C) Water - This is not a symbol but the name of a compound.
D) HCI - This is not a symbol of a compound but not an element.
Option B is the answer.
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