CHM 1020 EXAM 1 QUESTIONS WITH 100% CORRECT
ANSWERS.
2.3 x 106 meters is the same as ____________ meters. Answer - 2,300,000
How many protons and neutrons, respectively, are in an atom of chlorine (mass
number 35)? Answer - 17, 18
For the ionic compound NaCl, what is the charge on the sodium ion? Answer -
+1
Which of the following is a diatomic molecule: hydrogen (H2), aluminum (Al),
sulfur (S8), or carbon (C)? Answer - Hydrogen
What is the correct answer to the following problem (with the correct number
of significant figures)? Answer - 72
Which one of these materials is most likely to conduct heat? Answer - A
titanium rod
Which of the following is a pure substance? Answer - Silver wire
Which square(s) contain(s) only one or more compounds? Answer - I only
(Different compounds will have different combinations of elements)
ANSWERS.
2.3 x 106 meters is the same as ____________ meters. Answer - 2,300,000
How many protons and neutrons, respectively, are in an atom of chlorine (mass
number 35)? Answer - 17, 18
For the ionic compound NaCl, what is the charge on the sodium ion? Answer -
+1
Which of the following is a diatomic molecule: hydrogen (H2), aluminum (Al),
sulfur (S8), or carbon (C)? Answer - Hydrogen
What is the correct answer to the following problem (with the correct number
of significant figures)? Answer - 72
Which one of these materials is most likely to conduct heat? Answer - A
titanium rod
Which of the following is a pure substance? Answer - Silver wire
Which square(s) contain(s) only one or more compounds? Answer - I only
(Different compounds will have different combinations of elements)
