Question

B) Fill the Banks by selecting the correct word:
| Across a period the
electronegativity (increases, decreases remains same)
1 Quicklue is not used to do HICI gas because CaO is alkaline Cao is acidic.
Cao is neutral)
3 A molecule of contains a triple bond (hydrogen ammonia, nitrogen)
4 Group 2 elements are called metals ( alkali, alkaline earth)
Dr hydrogen chloride gas can be collected by displacenkant of air (dow trward
upward)
6. The elements at the bottom
of a group would be expected to show metallic
character than the chements at the top (less, more)​

Answer 1

Answer:

1) Increases

3)Nitrogen

4)Alkaline earth metals