CHEM 210 MODULE 2 SCRIPT 2026 QUESTIONS AND SOLUTIONS COMPREHENSIVE STUDY SHEET EXPERT REVIEW.pdf

CHEM 210 MODULE 2 SCRIPT 2026
QUESTIONS AND SOLUTIONS
COMPREHENSIVE STUDY SHEET EXPERT
REVIEW

◉ Which of the following is an example of electric energy?
a. static shock
b. a skier poised at the top of a hill
c. gasoline
d. x-rays.
Answer: A


◉ Which of the following increases when the concentration of
hydrogen ions in a solution increases?
a. hydroxide ions
b. acidity
c. Ph
d. alkalinity.
Answer: B

,◉ A unit formed by the covalent union of two or more atoms is
which of the following?
a. element
b. mixture
c. compound
d. molecule.
Answer: D


◉ Chemistry.
Answer: The science that deals with composition and properties of
matter


◉ Matter.
Answer: Anything that takes up space


◉ Elements.
Answer: The unique substances that make up all matter


◉ Atoms.
Answer: Smallest complete unit of matter


◉ Nu.

, Answer: Center of an atom


◉ Protons.
Answer: Positively charged particles


◉ Neutrons.
Answer: Negatively charged particles


◉ Electrons.
Answer: Orbit around the nucleus and are negatively charged


◉ Atomic number.
Answer: Equals the number of protons that are present in the
nucleus of its atoms


◉ If a neutral atom has 12 protons, it will have how many electrons?.
Answer: 12


◉ What are the three types of particles found in atoms?.
Answer: Protons, electrons, neutrons


◉ The atomic number is the number of ______ in an atom's nucleus..