7. From the elements Na, Mg, H, K, CI, Ar, identify the(a) elements be

1.	7. From the elements Na, Mg, H, K, CI, Ar, identify the(a) elements belonging to the same period.(b) most metallic element.(c) element that burns with a pop sound.(d) element which has no tendency to react.(e) element which has a tendency to gain electrons.() elements belonging to the same group.
Answer» Answer: (a) na ,mg,CL,AR (3 period) (B) k (c) na (D) ar (E) cl (f) H,na,k (1 group) hope it will be helful for u

7. From the elements Na, Mg, H, K, CI, Ar, identify the(a) elements belonging to the same period.(b) most metallic element.(c) element that burns with a pop sound.(d) element which has no tendency to react.(e) element which has a tendency to gain electrons.() elements belonging to the same group.

Answer»

Answer:

(a) na ,mg,CL,AR (3 period)

(B) k

(D) ar

(E) cl

(f) H,na,k (1 group)

hope it will be helful for u

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