Ions and Ionic Bonds Quiz

What is the main difference between cations and anions?

• Cations are negatively charged, while anions are positively charged.

• Cations are positively charged, while anions are negatively charged.

• Cations have more electrons than protons, while anions have more protons than electrons.

• Cations and anions have the same charge.

How do ions form?

• By gaining or losing protons.

• By gaining or losing neutrons.

• By gaining or losing electrons.

• By gaining or losing atoms.

What are valence electrons?

• Electrons in the innermost shell

• Electrons in the outer shell

• Protons in the nucleus

• Neutrons in the nucleus

How many valence electrons does nitrogen have?

• 5

• 3

• 7

• 8

What defines the element of an atom?

• Number of electrons

• Number of protons

• Number of neutrons

• Number of ions

How does the number of protons and electrons in an ion compare?

• Same number of protons and electrons

• Different number of protons and electrons

• No protons or electrons

• Only protons

What is a characteristic of an ion that is not true for an atom?

• Electrically neutral

• May contain one or more atoms

• Same number of protons and electrons

• Number of protons defines its element

Which of the following represents an anion?

• Na → Na⁺

• Cl → Cl⁻

• K → K⁺

• Mg → Mg²⁺

Which element forms a 2+ ion by giving away electrons?

• Sodium (Na)

• Magnesium (Mg)

• Oxygen (O)

• Nitrogen (N)

What type of bond is formed between a metal and a non-metal?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond