Quiz on Atomic Structure

What is the charge of a proton?

• Negative

• Positive

• Neutral

• Depends on the element

Which part of an atom contains the neutrons?

• Electron cloud

• Nucleus

• Outer shell

• Valence shell

If an atom has 7 protons and 7 neutrons, what is its atomic mass?

• 7

• 10

• 14

• 21

An atom that gains an electron becomes a(n) _____.

• Isotope

• Anion

• Cation

• Neutron

What type of bond is formed when electrons are transferred from one atom to another?

• Covalent

• Ionic

• Hydrogen

• Metallic

What type of bond holds water molecules together?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Van der Waals bond

Which of the following compounds is likely to be held together by an ionic bond?

• KF

• H₂O

• CO₂

• CH₄

Which property of water allows it to dissolve many substances?

• Cohesion

• Universal solvent

• Adhesion

• Surface tension

What property of water allows it to stick to other substances?

• Cohesion

• Adhesion

• High heat capacity

• Surface tension

Which of the following best explains why water has a high heat capacity?

• Its ability to dissolve many substances

• Hydrogen bonding between water molecules

• Water’s polarity

• Water’s density