Exploring Ionic and Covalent Bonds

What are the three main subatomic particles that make up an atom?

• Protons, Neutrons, and Electrons

• Neutrons, Electrons, and Quarks

• Protons, Neutrons, and Photons

• Protons, Electrons, and Quarks

Which subatomic particle defines the element?

• Electron

• Neutron

• Photon

• Proton

What happens to an atom if it loses or gains an electron?

• It becomes an isotope

• It becomes a different element

• It becomes an ion

• It becomes a molecule

Which type of bond involves the sharing of electrons?

• Ionic bond

• Van der Waals forces

• Hydrogen bond

• Covalent bond

What is the main difference between covalent and ionic bonds in water?

• Covalent bonds dissociate in water, ionic bonds do not

• Ionic bonds dissociate in water, covalent bonds do not

• Both dissociate in water

• Neither dissociate in water

What does electronegativity measure?

• How strongly an atom attracts electrons

• The mass of an atom

• The number of protons in an atom

• The number of neutrons in an atom

Which element is highly electronegative and important to life?

• Chlorine

• Lithium

• Sodium

• Oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the charge of a sodium ion after it loses an electron?

• Positive

• Negative

• Neutral

• It does not change

What type of bond is formed when electrons are shared unevenly?

• Hydrogen bond

• Ionic bond

• Polar covalent bond

• Non-polar covalent bond

How many bonds can carbon form?

• Two

• Four

• Three

• Five