GK
GENERAL SCIENCE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following elements is a metal
|
|
S
|
|
|
Se
|
|
|
I
|
|
|
Ga
|
Explanation:
Detailed explanation-1: -Calcium and potassium are metals and the other two are non-metals.
Detailed explanation-2: -Metals in the first twenty elements are Lithium, Beryllium, Sodium, magnesium, Aluminum, Potassium, and calcium. Now the non-metals in the first twenty elements are Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorous, Sulphur, Chlorine, and Argon.
Detailed explanation-3: -For example, aluminium, copper, zinc, iron, etc.
There is 1 question to complete.