GK
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What element is located in group 2, period 3?
|
|
Mg
|
|
|
Sc
|
|
|
Be
|
|
|
Na
|
Explanation:
Detailed explanation-1: -Hint: The element which belongs to group 2 and period 3 will be magnesium. Its electronic configuration is 1s22s22p63s2.
Detailed explanation-2: -Group 2 elements are the alkaline earth metals, Be, Mg, Ca, Sr, Ba, Ra. They are harder and have higher melting points and boiling points than the alkali metals.
There is 1 question to complete.