CHEMISTRY 101 CERTIFICATION EVALUATION QUESTIONS AND CORRECT ANSWERS PRACTICE PACK

CHEMISTRY 101 CERTIFICATION
EVALUATION QUESTIONS AND CORRECT
ANSWERS PRACTICE PACK

●● Mass Number
Answer: equal to the sum of the numbers of protons and neutrons


●● Protons
Answer: Positively charged particles


●● Neutrons
Answer: the particles of the nucleus that have no charge


●● Electrons
Answer: Negative charge


●● Isotopes
Answer: atoms of the same element having different masses because
they contain different numbers of neutrons.


●● Photon
Answer: particle of light

, ●● Cation
Answer: A positively charged ion


●● Anion
Answer: A negatively charged ion


●● Rich Men In Venus Use X-ray Guns
Answer: longest wavelength to shortest wavelength in the
electromagnetic spectrum


●● Electron Configuration
Answer: the ways in which electrons are arranged in various orbitals
around the nuclei of atoms


●● Electron Configuration and the Periodic Table
Answer:


●● Groups
Answer: vertical columns on the periodic table


●● Period
Answer: a horizontal row of elements in the periodic table