2 Points Which intermolecular force would affect melting point the most?

O A. Dipole-dipole attractions

O B. Hydrogen bonding

O C. Nonpolar interactions

O D. Van der Waals forces

100mg magnesium reacts with 20ml of 1.0m hcl

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.