Elements and Chemical Bonds Quiz

What particles are found in the nucleus of an atom?

• Protons and electrons
• Neutrons and electrons
• Protons and neutrons
• Electrons only

How does an atom's charge change if it gains electrons?

• It becomes more positive
• It becomes more negative
• It remains neutral
• It becomes a proton

Why do electrons in higher energy levels have more energy?

• They are closer to the nucleus
• They are farther from the nucleus
• They have more mass
• They are positively charged

What determines an atom's bonding behavior?

• Number of protons
• Number of neutrons
• Number of valence electrons
• Number of energy levels

What do unpaired dots in an electron dot diagram indicate?

• Stability
• Potential for bonding
• Atomic mass
• Number of protons

Why are noble gases considered stable?

• They have 8 valence electrons
• They have no electrons
• They have a full first energy level
• They have more protons than electrons

What is the goal of atoms when forming bonds?

• To lose all electrons
• To gain protons
• To achieve 8 valence electrons
• To become a noble gas

What type of bond is formed by sharing electrons?

• Ionic bond
• Covalent bond
• Metallic bond
• Hydrogen bond

How many electrons are typically desired in an atom's outer shell?

• 2
• 4
• 6
• 8

What is a single covalent bond?

• One pair of shared electrons
• Two pairs of shared electrons
• Three pairs of shared electrons
• No shared electrons