Bio Chemistry Quiz Questions: Flashcards
Matter is defined as anything that occupies space and__:
a. has mass
b. is alive
c. is not living
d. can be seen
e. has compounds
a. has mass
The amount of space occupied by matter is known as ___:
a. mass
b. density
c. volume
d. bond
e. elements
c. volume
The words solid, liquid, and gas all refer to ____:
a. states of matter
b. volume
c. chemical properties
d. density
e. both a and d
a. states of matter
The smallest particle of an element with all the properties of that element is a(n) ___:
a. compound
b. nucleus
c. element
d. molecule
e. atom
e. atom
The second energy level (orbital) in an atom can hold a maximum of how many electrons?
a. 2
b. 4
c. 8
d. 18
e. 32
c. 8
The number of protons and neutrons in an element determines its ___
a. atomic number
b. atomic mass
c. energy levels
d. compound
e. electrons
b. atomic mass
Isotopes are atoms of the same element with the same number of protons and ___
a. different numbers of electrons
b. different numbers of molecules
c. different number of neutrons
d. the same number of neutrons
e. the same number of electrons and protons
c. different number of neutrons
The atomic mass is determined by the __
a. atomic mass of an element
b. density of an element
c. number of isotopes
d. number of protons in an element
e. number of electrons in an element
d. number of protons in an element
An atom that has gained or lost an electron is called a(n) ____
a. isotope
b. ion
c. polar
d. molecule
b. ion
When electrons are shared, this type of bond is called ____
a. ionic
b. covalent
c. polar
d. isotope
e. Bond, James Bond
b. covalent
Sodium Chloride, also known as table salt (NaCL), is an example of this type of bond:
a. ionic
b. covalent
c. polar
d. isotope
a. ionic
How many protons does sodium have?
a. 11
b. 12
c. 13
d. 14
e. 23
a. 11
How many neutrons does magnesium have?
a. 11
b. 12
c. 13
d. 14
e. 23
b. 12
How many protons and neutrons does sodium have?
a. 11
b. 12
c. 13
d. 14
e. 23
e. 23
How many electrons does aluminum have?
a. 11
b. 12
c. 13
d. 14
e. 23
c. 13
How many neutrons does aluminum have?
a. 11
b. 12
c. 13
d. 14
e. 23
d. 14
Which of these have a full valence shell (outer electron orbital)?
a. neon
b. hydrogen
c. boron
d. Iron
e. calcium
a. neon
Which of these elements has two energy levels?
a. helium
b. chlorine
c. calcium
d. lithium
e. phosphorus
d. lithium
Which element has 3 electrons in its valence shell (outer energy level)?
a. sulfur
b. argon
c. sodium
d. aluminum
e. carbon
d. aluminum
What is the symbol for lead?
a. Le
b. Ld
c. Pb
d. Pd
c. Pb
If an atom has 15 protons, it must have ___
a. a mass of 15
b. 15 neutrons
c. 15 electrons
d. a full outer energy level
e. isotopes
c. 15 electrons
If chlorine were to gain an electron from another atom it would become a(n) ____
a. ion with a negative charge
b. ion with a positive charge
c. isotope
d. none of the above
e. all of the above
a. ion with a negative charge
Which of the following elements is a trace element?
a. carbon
b. sodium
c. nickel
d. neon
e. hydrogen
c. nickel
