Ions and Ionic Bond Quiz

How does oxygen become an oxide ion?

• it loses 2 electrons

• it gains 2 electrons

• it shares electrons

• it releases energy

What part of the atom does bonding involve?

• protons

• neutrons

• all electrons

• valence electrons

How many valence electrons do MOST atoms need to be stable?

• 2

• 8

• electrons equal to number of protons

• electrons equal to number of neutrons

In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _________electrons.

• gain electrons.

• lose electrons

• gain protons

• lose protons

Valence electrons are found

• in the innermost energy level of an atom

• in the middle energy levels of an atom

• in the outermost energy levels of an atom

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons

Cations

• Gain electrons, has an overall positive charge

• Lose electrons, has an overall positive charge

• Lose electrons, has an overall negative charge

• Gain electrons, has an overall negative charge

Anions

• Gain electrons, has an overall positive charge

• Lose electrons, has an overall positive charge

• Lose electrons, has an overall negative charge

• Gain electrons, has an overall negative charge

Elements in the same _________ have the same number of valence electrons

• Row
• Group
• Metals
• Nonmetals