<span>Elements are matter made of one kind of atom.</span>
1. electrostatic interactions
<span>3. van de waals interactions </span>
<span>4. hydrogen bonding </span>
Hmm the answer is 2.454
No explanation needed it’s just 2.454
The attraction between tow oppositely charged atoms or groups of atoms are an ionic bond
ANSWER______Ionic
Answer:
Atomic mass of Gallium is 69.7230 amu
Explanation:
100 atoms of gallium contains 60.11 number of
atoms and 39.89 number of
atoms.
Therefore atomic mass of gallium is given by-

= 
= 69.7230 amu