CHEM 111 Midterm Exam WCCS 93 Questions with Verified Answers
The nucleus of an atom consists of - CORRECT ANSWER protons and neutrons
The Heisenberg Principle states that - CORRECT ANSWER it is impossible to determine accurately both the position and momentum of an electron simultaneously
...
CHEM 111 Midterm Exam WCCS 93 Questions with Verified
Answers
The nucleus of an atom consists of - CORRECT ANSWER protons and neutrons
The Heisenberg Principle states that - CORRECT ANSWER it is impossible to
determine accurately both the position and momentum of an electron
simultaneously
Rutherford carried out experiments in which a beam of alpha particles was
directed at a thin piece of metal foil. From these experiments he concluded that -
CORRECT ANSWER the positively charged parts of atoms are extremely small and
extremely heavy particles
55 miles per hour to cm per second - CORRECT ANSWER 0.0245872
1.00 ft2 to cm2 - CORRECT ANSWER 929.03
25 g of carbon to moles of carbon - CORRECT ANSWER 2.08 moles of carbon
How many protons, neutrons, and electrons are in the following atoms or ions-
iron - 56 - CORRECT ANSWER 26p, 30n, 26e
How many protons, neutrons, and electrons are in the following atoms or ions-
the element with symbol W and 109 neutrons - CORRECT ANSWER 74p, 109n, 74e
, How many protons, neutrons, and electrons are in the following atoms or ions-
the +3 ion with the symbol Ga and 39 neutrons - CORRECT ANSWER 31p, 39n, 28e
CuCl2 - CORRECT ANSWER copper(II) chloride or cupric chloride
Fe(NO3)3 - CORRECT ANSWER iron(III) nitrate or ferric nitrate
AlI3 - CORRECT ANSWER aluminum iodide
Ca3 (PO4) 2 - CORRECT ANSWER calcium phosphate
NiSO3 - CORRECT ANSWER nickel(II) sulfite
BaCO3 - CORRECT ANSWER barium carbonate
PCl3 - CORRECT ANSWER phosphorus trichloride
NaNO2 - CORRECT ANSWER sodium nitrite
XeF4 - CORRECT ANSWER xenon tetrafluoride
H2SO4 (aq) - CORRECT ANSWER sulfuric acid
HNO3 (aq) - CORRECT ANSWER nitric acid
LiBr - CORRECT ANSWER lithium bromide
ZnO - CORRECT ANSWER zinc oxide
Au2S3 - CORRECT ANSWER gold(III) sulfide or auric sulfide
N2O4 - CORRECT ANSWER dinitrogen tetroxide
HCl (g) - CORRECT ANSWER hydrogen chloride
LiCN - CORRECT ANSWER lithium cyanide
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