Science 1

What is the most widely accepted explanation for the origin of the universe?

• The Big Bang

• Intramolecular force

• Stellar Nucleosynthesis

• Supernova Nucleosynthesis

What are the types of processes in the formation of elements (Nucleosynthesis)?

• Intermolecular force

• Big Bang Nucleosynthesis

• Intramolecular force

• Supernova Nucleosynthesis

Who proposed that all matter is made up of very small particles called atoms?

• Aristotle

• John Joseph Dalton

• Dmitri Mendeleev

• Wilhelm Roentgen

What is the measure of the tendency of an atom to attract electrons itself?

• Electronegativity

• Electronic Configuration

• Valence Electron

• Bohrs Model

What is the bond between atoms whose difference in electronegativities is less than 0.5?

• Covalent bond

• Metallic bonding

• Ionic bond

• Hydrogen bonding

What is the special kind of dipole-dipole interaction that occurs specifically between a hydrogen atom bonded to either an oxygen, nitrogen, or fluorine atom?

• London dispersion forces

• Dipole-dipole interactions

• Ionic bond

• Hydrogen bonding

What is the bond between atoms whose difference in electronegativities is 0.5 – 1.9?

• Hydrogen bonding

• Metallic bonding

• Ionic bond

• Covalent bond

Who discovered X-rays?

• Wilhelm Roentgen

• John Joseph Thomson

• Ernest Rutherford

• Niels Bohr

What is the atomic model that shows electrons move in concentric orbits around the nucleus?

• Bohrs Model

• Lewis dot Symbols

• Valence Electron

• Electronic Configuration

What is the attraction between two or more molecules?

• Intramolecular force

• Dipole-dipole interactions

• Intermolecular force

• Hydrogen bonding