b the absence of a nucleus
Answer:
Metal is named first
Explanation:
Binary compounds:
The compounds which are made up of the atoms of only two elements are called binary compounds.
For example:
The following compounds are binary:
HCl
NaCl
HCl is binary because it is composed of only hydrogen and chlorine.
Sodium chloride is also binary compound composed of only two element hydrogen and chlorine.
When naming these compounds the name of metal or cation is written first and anion is written after the cation. The anions are non meals.
The anion name is end with suffix " ide".
such as sodium chloride.
Need more of a backstory to this?
The answer is C. there are two potassium ions for each ion of sulfur
Answer:
17)A. Solids
18) A. Frequently collide with each other and with surface of ballon
19) D. Particles are smaller at lower pressure.
