Chemical Bonding

What charge would a Francium (Fr) ion have if it bonded ionically with Iodine?

• +1

• -1

• +2

• -2

Using oxidation numbers, which of the following is the correct chemical formula for "Calcium Nitride"

• CaN

• Ca2N3

• Ca3N2

• Ca6N6

What is the number of valence electrons for Sulfur?

• 8

• 6

• 2

• 1

_______________ is a mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together

• physical bond

• chemical bond

• kinetic bond

• potential bond

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

What is shared between two atoms in a covalent bond?

• Energy

• Electrons

• Protons

• Neutrons

Which type of elements primarily form covalent bonds?

• Nonmetals

• Alkalis

• Metals

• Metalloids

In a covalent bond, what happens to the electrons?

• They are shared between atoms

• They become static

• They are removed

Tags

NGSS.HS-PS1-1

Why do atoms form covalent bonds?

• To become ions

• To reduce their atomic number

• To achieve a full outer electron shell

• To lose electrons

In a covalent bond, how are electrons shared?

• Transferred from one atom to another

• Shared unevenly in all cases

• Equally between atoms

• Not shared at all

How are electrons treated in ionic bonding?

• They are transferred

• They are removed

• They are unaffected

• They are shared