Chemical Bonding and Valence Electrons

How many valence electrons does helium have?

• 1

• 2

• 3

• 4

What is another name for Electron Dot Structures?

• Bohr Models

• Lewis Dot Structures

• Quantum Models

• Rutherford Models

Which shell can hold a maximum of 18 electrons?

• Shell 1

• Shell 2

• Shell 3

• Shell 4

How are valence electrons represented in Electron Dot Structures?

• As numbers

• As lines

• As dots

• As arrows

Which group numbers in the periodic table often equal the number of valence electrons?

• Groups 1-2, 13-18

• Groups 3-12

• Groups 1-10

• Groups 11-18

What do atoms tend to do according to the octet rule?

• Gain, lose, or share electrons

• Remain neutral

• Only gain electrons

• Only lose electrons

What is the exception to the group number rule for valence electrons?

• Helium has 1 valence electron

• Helium has 2 valence electrons

• Helium has 3 valence electrons

• Helium has 4 valence electrons

What is the maximum number of electrons in the fourth shell?

• 8 electrons

• 18 electrons

• 32 electrons

• 40 electrons

What is the main characteristic of the octet rule?

• Atoms achieve 4 valence electrons

• Atoms achieve 6 valence electrons

• Atoms achieve 8 valence electrons

• Atoms achieve 10 valence electrons

What is the main role of valence electrons in an atom?

• To determine the atomic mass

• To determine the chemical properties

• To determine the number of neutrons

• To determine the atomic number