Chemistry 110 - Elements of General Chemistry » Spring 2023 » Chapter 4 Quiz

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Which statement below accurately describes the contributions of Dalton?
A.   none of these
B.   discovered the existence of electrons
C.   proposed the modern Atomic Theory
D.   ancient Greek philosopher who proposed that matter was continuous
E.   created the modern periodic table
Question #2
Which of the following is NOT part of Dalton's Atomic Theory?
A.   All of these are part of the atomic theory.
B.   All atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements.
C.   Atoms combine in simple, whole-number ratios to form compounds.
D.   Each element is composed of tiny indestructible particles called atoms.
E.   Most of the atom's mass and all of its positive charge is contained in a small core called the nucleus.
Question #3
Which statement below is NOT consistent with the nuclear theory of the atom as proposed by Rutherford?
A.   There are as many electrons outside the nucleus as there are protons inside the nucleus in a neutral atom.
B.   Electrical charge is a fundamental property of protons and electrons.
C.   Most of the volume of the atom is empty space occupied by tiny, negatively charged electrons.
D.   All of these statements are consistent.
E.   Most of the atom's mass and all of its positive charge is contained in a small core called the nucleus.
Question #4
Which of the following statements about the nature of electrical charge is FALSE?
A.   Electrical charge is a fundamental property of protons and electrons.
B.   Positive and negative charges cancel each other so that a proton and electron, when paired, are charge neutral.
C.   Positive-positive or negative-negative charges repel each other.
D.   Positive and negative electrical charges attract each other.
E.   All of these statements are true
Question #5
Which of the following is NOT a correct name, symbol combination?
A.   manganese, Mn
B.   calcium, Ca
C.   gold, Au
D.   potassium, P
E.   chromium, Cr
Question #6
How many protons and neutrons are in Cl-37?
A.   20 protons, 17 neutrons
B.   37 protons, 17 neutrons
C.   none of these
D.   17 protons, 20 neutrons
E.   17 protons, 37 neutrons
Question #7
A fictional element has two naturally occurring isotopes with the natural abundances shown here: ATOMIC MASS (AMU) / ABUNDANCE 16 / 50.0% 18 / 50.0% Which statement is TRUE for this element?
A.   The atomic mass would be 17.
B.   The atomic mass would be less than 16.
C.   The atomic mass would be more than 18.
D.   The atomic mass would be 18.
Question #8
An isotope represented as S-34:
A.   must have exactly 18 electrons.
B.   none of these
C.   has 34 protons.
D.     
E.   contains exactly 18 neutrons.
F.   is an isotope of sodium.
Question #9
Which of the following statements about ions is INCORRECT?
A.   All statements are correct.
B.   Cations are formed when an atom loses electrons.
C.   Cations always have the same number of protons as electrons.
D.   Cations are positive ions and anions are negative ions.
E.   Anions are formed when an atom gains electrons.
Question #10
Which of the following statements about atoms is FALSE?
A.   Atoms compose all matter.
B.   Atoms are the basic building block of nature.
C.   An atom is the smallest identifiable unit of an element.
D.   All of these statements are true.
E.   Atoms are responsible for the sensation of smell.
Question #11
Which of the following elements has an atomic number of 4?
A.   C
B.   He
C.   H
D.   Be
E.   none of these.
Question #12
How many protons are in the nucleus of an atom of bromine?
A.   79
B.   none of these.
C.   35
D.   45
E.   80

Need help with your exam preparation?

Existing Quiz Clients Login here