Answer:
solid
Explanation:
It is called an amorphous solid because it lacks the ordered molecular structure of true solids, and yet its irregular structure is too rigid for it to qualify as a liquid.
Answer:
B
Explanation:
its an acidic oxide, it disolves in water to form carbonic acid which is an acid
Answer:
Explanation:
The number of valence electrons tells us the group number of the neutral atom.
The atom has 4 valence electrons.
The atom is in group 4.
The spinal cord is part of the central nervous system
MgO
MgI2
PbO2
PbI4
These are the possible compounds
