Chemistry Ionic Bonds

If an atom gains two electrons what charge will it have?

• -2

• -1

• +1

• +2

The octet rules states that most elements want to have _____ valence electrons.

• 2

• 4

• 6

• 8

Predict the bond that will form between Be and F.

• Ionic

• Covalent

Tags

NGSS.HS-PS1-2

Chemical bond is ...

• the physical mixing of two different atoms.

• the force that holds two atoms together

• the energy used up when two atoms combined.

• the temperature that changes the phase of matter.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

Which statement best describes the relationship between atoms & molecules.

• molecules are made of atoms that are chemically bonded together.

• atoms are made of molecules that are chemically bonded together.

• molecules are made of a mixture of atoms and compounds.

• atoms are made of protons, neutrons & electrons.

Tags

NGSS.MS-PS1-1

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

Ionic bonds are created when two or more atoms transfer electrons to each other.

• True

• False

Tags

NGSS.MS-PS1-5

What is an ionic bond?

• A chemical bond formed by the sharing of electrons

• A chemical bond formed by the transfer of electrons

• A chemical bond formed by the sharing of protons

• A chemical bond formed by the transfer of protons

Which of the following pairs of elements is most likely to form an ionic bond?

• Carbon and Oxygen

• Sodium and Chlorine

• Hydrogen and Helium

• Nitrogen and Oxygen

What happens to the electrons in an ionic bond?

• They are shared equally between atoms

• They are transferred from one atom to another

• They are shared unequally between atoms

• They are not involved in bonding