Posted by mike on Monday, April 23, 2012 at 8:01am.
1 _____is defined as one-half of the distance between the nuclei of two adjacent metal atoms in the close packed crystal lattice
2 Except for rubidium and caesium,
all common cations are smaller than all common anions
all common cations are larger than all common anions
all common cations are of the same size with all common anions
the cations are not avaliable
3 Increase in principal quantum number(n) means-----of the atomic radii
4 The attractive force which binds a hydrogen atom of one molecule with an electronegative atom of another molecule of the same compound is called---------
5 Which of these bonds has the weakest bond energy?
6 The most abundant metal in sea water is -------
7 Which of these metals is radioactive?
8 Which of these hydrides has the high boiling point?
9 A consequence of ------- is the formation of a chelate ring
intramolecular covalent bonding
intermolecular covalent bonding
intramolecular hydrogen bonding
intermolecular hydrogen bonding
10 Alkali metals can be used for all but one of the following
as street lights
as rocket fuel
as a coolant
undergroud high voltage transmission
11 Potassium compounds can be used for all but one of the following
manufacture of glass
12 Within the alkali metals atomic size --------
has no pattern
remains the same
increases down the group
decreases down the group
13 Ionization energy------ down the group within the alkali metals
has no fixed pattern
14 Alkali metals react with sulphur to form ---- types of sulphides
15 Hydrides of alkali metals react with water to librate------
16 The charge on cations------ down a group
does not have a fixed pattern
17 Which of these increases solubility of compounds
a small cation and a large anion
a large cation and anion
a small cation and anion
18 Decrease in hydration energy makes a compound ------
19 Which of these element does not belong to the alkali metals
20 When a metal is sourrounded by solvent molecules not water, the phenomenon is called--------
- chemistry - DrBob222, Monday, April 23, 2012 at 12:50pm
This appears to be a homework dump. We don't do that. If you will repost any one or more of these and explain exactly what you don't understand about it (along with what you think a plausible answer could be) someone will be glad to help.
- chemistry - Didigu, Saturday, April 28, 2012 at 4:50pm
No; 20. Solvation
- chemistry - san, Sunday, February 3, 2013 at 1:18am
- chemistry - ogwudu, Monday, February 18, 2013 at 4:24am
- chemistry - Anonymous, Wednesday, May 1, 2013 at 7:27pm
- chemistry - akinwoye, Thursday, May 23, 2013 at 9:46am
No 1 is metallic radius
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