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

Need help with your exam preparation?

Existing Quiz Clients Login here