Question

Based on the given table answer the following questions -
Group →
1
2
16
Period
2
A
L
E
3
D
Х
a) Identify the elements largest in size? Give reason.
b) Define electronegativity. Identify the most electronegative element?
c) Identify element X on the basis of its position in the table. Write the
chemical formula of its oxide.
d) Arrange A, L, E in order of increasing metallic character.
e) What type of ion will be formed by G? Is it a metal or a non metal?​

Answer 1

Answer:

The ratio of incomes of two persons is 9:7 and the ratio of their expenditures

is 4:3. If each of them manages to save ` 2000 per month, find their monthly

incomes.

(ii) Solve the following simultaneous equations graphically.

x + y = 0 ; 2x – y = 9

(iii) The sum of father’s age and twice the age of his son is 70. If we double the

Answer 2

Answer:

a) francium

the atomic radius increases from top to bottom in a group, and decreases from left to right across a period.

b) electronegativity

symboled by χ , is the tendency of an atom to attract shared electrons to itself.

the most electronegativity element of the given group is oxygen(O)

c) magnesium (Mg)

the chemical formula of its oxide is MgO magnesiumoxide

d) Mg<Na

i am not sure about alluminium

e) I didn't understand the question bro....

thank you