Biochemistry lecture notes 1

Test your knowledge on the fundamental components and properties of atoms with this engaging quiz. Explore questions about atomic structure, particles, and electron configurations.

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
Which particle has zero mass?
Neutron
Proton
Valence electron
Electron
2
What is the mass of one neutron?
One AMU
Zero AMUs
Three AMUs
Two AMUs
3
What is the mass of one proton or neutron?
Two AMUs
Three AMUs
One AMU
Zero AMUs
4
What are the smallest units of elements?
Cells
Molecules
Atoms
Compounds
5
What does relative atomic mass account for?
Atomic number
Number of protons
Electron mass
Mixture of isotopes
6
What is electroneutrality?
Equal neutrons and electrons
Equal protons and electrons
Equal protons and neutrons
Unequal particles
7
What is the mass of one electron?
One AMU
Two AMUs
Zero AMUs
Three AMUs
8
What does the atomic symbol represent?
Electron count
Element's letter(s)
Element's name
Atomic mass
9
What is the study of chemistry in living things?
Sociology
Anatomy
Physics
Biochemistry
10
True or false: Atoms are the smallest units of matter.
True
False
11
Which particles are found in the nucleus?
Isotopes
Valence electrons
Electrons
Protons and neutrons
12
What do valence electrons determine?
Mass of atom
Chemical properties
Atomic number
Number of neutrons
13
What surrounds the nucleus of an atom?
Protons
Electrons
Neutrons
Nucleus
14
What is the average mass of isotopes?
Atomic mass number
Relative atomic mass
Mass of electrons
Atomic number
15
What is the charge of protons?
Negative
Neutral
Positive
Variable
16
What is the outermost electron shell called?
Core shell
Inner shell
Valence shell
Electron cloud
17
What is the center of an atom called?
Valence shell
Electron cloud
Proton shell
Nucleus
18
What is the role of electrons?
Determine mass
Chemical bonding
Nuclear stability
Element identity
19
What is the charge of neutrons?
Positive
Negative
Variable
Neutral
20
What is the atomic mass number?
Number of isotopes
Mass of electrons
Sum of protons and neutrons
Number of electrons
21
What is the nucleus composed of?
Protons and neutrons
Valence electrons
Electrons
Isotopes
22
What do protons determine?
Atomic mass
Neutron count
Element identity
Electron count
23
What is the atomic number?
Mass of atom
Number of neutrons
Number of electrons
Number of protons
24
What is the fundamental substance of matter?
Molecules
Compounds
Cells
Atoms
25
Which particles are in orbitals?
Neutrons
Electrons
Protons
Nucleus

Biochemistry lecture notes 1 Flashcards | StudBud

Biochemistry lecture notes 1

25 termsStudBud Administration

Test your knowledge on the fundamental components and properties of atoms with this engaging quiz. Explore questions about atomic structure, particles, and electron configurations.

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
Which particle has zero mass?
Neutron
Proton
Valence electron
Electron
2
What is the mass of one neutron?
One AMU
Zero AMUs
Three AMUs
Two AMUs
3
What is the mass of one proton or neutron?
Two AMUs
Three AMUs
One AMU
Zero AMUs
4
What are the smallest units of elements?
Cells
Molecules
Atoms
Compounds
5
What does relative atomic mass account for?
Atomic number
Number of protons
Electron mass
Mixture of isotopes
6
What is electroneutrality?
Equal neutrons and electrons
Equal protons and electrons
Equal protons and neutrons
Unequal particles
7
What is the mass of one electron?
One AMU
Two AMUs
Zero AMUs
Three AMUs
8
What does the atomic symbol represent?
Electron count
Element's letter(s)
Element's name
Atomic mass
9
What is the study of chemistry in living things?
Sociology
Anatomy
Physics
Biochemistry
10
True or false: Atoms are the smallest units of matter.
True
False
11
Which particles are found in the nucleus?
Isotopes
Valence electrons
Electrons
Protons and neutrons
12
What do valence electrons determine?
Mass of atom
Chemical properties
Atomic number
Number of neutrons
13
What surrounds the nucleus of an atom?
Protons
Electrons
Neutrons
Nucleus
14
What is the average mass of isotopes?
Atomic mass number
Relative atomic mass
Mass of electrons
Atomic number
15
What is the charge of protons?
Negative
Neutral
Positive
Variable
16
What is the outermost electron shell called?
Core shell
Inner shell
Valence shell
Electron cloud
17
What is the center of an atom called?
Valence shell
Electron cloud
Proton shell
Nucleus
18
What is the role of electrons?
Determine mass
Chemical bonding
Nuclear stability
Element identity
19
What is the charge of neutrons?
Positive
Negative
Variable
Neutral
20
What is the atomic mass number?
Number of isotopes
Mass of electrons
Sum of protons and neutrons
Number of electrons
21
What is the nucleus composed of?
Protons and neutrons
Valence electrons
Electrons
Isotopes
22
What do protons determine?
Atomic mass
Neutron count
Element identity
Electron count
23
What is the atomic number?
Mass of atom
Number of neutrons
Number of electrons
Number of protons
24
What is the fundamental substance of matter?
Molecules
Compounds
Cells
Atoms
25
Which particles are in orbitals?
Neutrons
Electrons
Protons
Nucleus