Table of Contents
Central Atoms
1
) Which atom( s) can be the main atom, X, in the secure particle XH3 with one single set of electrons?
( a) B
( b) C
( c) N
( d) P
( e) S
2
) Which atom( s) might be the main atom, X, in the secure particle XF2 with 2 single sets of electrons?
( a) Cl
( b) O
( c) Se(
d) Si
( e) Xe
3
) Which atom( s) might be the main atom, X, in the secure particle XO3 without single sets?
( a) Al
( b) C
( c) Cl
( d) P
( e) S
4
) Which atom( s) might be the main atom, X, in the secure particle XF4 with one only set of electrons?
( a) C
( b) I
( c) N
( d) S
( e) Xe
5
) Which atom( s) can be the main atom, X, in the steady particle XCl5 without only sets?
( a) As
( b) Br
( c) C
( d) P
( e) Xe
6
) Which atom( s) can be the main atom, X, in the secure particle XCl4 without only sets?
( a) B
( b) Br
( c) C
( d) Te
( e) Xe
7
) Which atom( s) might be the main atom, X, in the steady particle XF3 with 2 only sets?
( a) B
( b) Br
( c) Cl
( d) N
( e) P
8
) Which atom( s) can be the main atom, X, in the steady particle XH2 with 2 only sets?
( a) Si
( b) C
( c) N
( d) S
( e) O
.