Crash Course Carbon

What element is fundamental to all known life forms and is the basis of biology?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon

Which type of bond involves the sharing of electrons between atoms?

• Dipole-dipole interaction

• Ionic bond

• Covalent bond

• Metallic bond

Tags

NGSS.HS-PS1-1

What rule is used to explain the tendency of atoms to prefer having eight electrons in their outermost shell?

• Electron rule

• Octet rule

• Valence rule

• Duplet rule

Which compound is an example of an ionic bond as discussed in the video?

• Water (H2O)

• Methane (CH4)

• Oxygen (O2)

• Table salt (NaCl)

What type of bond is formed when hydrogen atoms in water molecules attract oxygen atoms from other water molecules?

• Metallic bond

• Ionic bond

• Covalent bond

• Hydrogen bond