Exploring Ionic and Covalent Bonds

What is the octet rule?

• Atoms are stable with eight electrons in their outer shell.

• Atoms are stable with four electrons in their outer shell.

• Atoms are stable with two electrons in their outer shell.

• Atoms are stable with ten electrons in their outer shell.

Which atom is an exception to the octet rule?

• Carbon

• Nitrogen

• Hydrogen

• Oxygen

How do atoms achieve an octet of electrons in their outer shell?

• By sharing, gaining, or losing electrons

• By splitting electrons

• By gaining electrons only

• By losing electrons only

What type of bond is formed when atoms share electrons?

• Hydrogen bond

• Metallic bond

• Ionic bond

• Covalent bond

How many electrons does a carbon atom need to achieve stability?

• Two

• Four

• Six

• Eight

In a molecule of methane (CH4), how many hydrogen atoms share electrons with carbon?

• Four

• Three

• One

• Two

What is the stable configuration of the first electron shell?

• Two electrons

• Three electrons

• One electron

• Four electrons

What type of bond is formed by the attraction between opposite charges?

• Hydrogen bond

• Covalent bond

• Ionic bond

• Metallic bond

What happens to sodium when it loses an electron?

• It becomes a noble gas

• It becomes negatively charged

• It remains neutral

• It becomes positively charged

What is the result of the attraction between sodium and chlorine ions?

• Carbon dioxide

• Water

• Methane

• Sodium chloride