Complete the sentence. If it collects a lot of mass, a space object will become due to .
Select one:

1. spherical; electromagnetism

2. spherical; gravity

3. a rocky planet; gravity
or
4. a rocky planet; electromagnetism

The element that has the greatest electronegativity is

If c + di is a point on the circle, then | c + di |=

What is the difference between covalent bonds and ionic bonds? covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical attraction between charged atoms. covalent bonds involve the transfer of electrons between charged atoms; ionic bonds involve the sharing of electrons between atoms. covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms. covalent bonds involve the sharing of electrons between atoms; ionic bonds involve the sharing of protons between charged atoms.