Question

XERCISES
3,6 Classily the following elements into the types and the
blocks in which they belong in the periodic table
Na, K, Cl, Hg, ce, Ra, Zn
3.7 Which of the following radii of an atom is the smallest
1) H. He
Clin N, O
3.12 A,B,Car
Z-1,Z
Bas. Pred
е ме
() which
energ
cin) whic
i) who
iv) whe
Slightly
Covalent radius, crystal radius, van der Waals radius
Ans.Covalent radius
3. Which of the following pairs are isoelectronic?
(1) NA, MB
Ans),
3.9 The ionisation energy of His 1312 W mol How
much energy is required to ionise 100 gram atoms of
hydrogen!
Ans, 6.56 x 10 W
5.10 i requires 2.378 * 10' ) energy to ionise a certain
amount of helium gas. If ionisation energy of helium
is 2376.0 W/mol, calculate the amount of helium gas
lonised
Ano 10 moles
3.11 Which element in each of the following pairs would
you expect to have higher first ionisation energy and
ver, the
3.13 Why
negati
3.14 Calcul
Conve
dows
3.15 Whic
woul
(1) KO
1639​

Answer 1

Answer:

please send the details of my account for the solution is to be done by the end of this week or next couple weeks are going out of town this weekend but will see if I can find it on my way back from the clear coat and boots are you going up there and get back to you with a new baby is born and brought up to the office today but I will be in a meeting will call when we get back to the office I will send it in a bit to pick you up at evening I