Bio Chemistry Quiz Questions:

Question 1

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

Answer 1

a. has mass

Question 2

The amount of space occupied by matter is known as ___:

a. mass
b. density
c. volume
d. bond
e. elements

Answer 2

c. volume

Question 3

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

Answer 3

a. states of matter

Question 4

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

Answer 4

e. atom

Question 5

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

Answer 5

c. 8

Question 6

The number of protons and neutrons in an element determines its ___

a. atomic number
b. atomic mass
c. energy levels
d. compound
e. electrons

Answer 6

b. atomic mass

Question 7

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

Answer 7

c. different number of neutrons

Question 8

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

Answer 8

d. number of protons in an element

Question 9

An atom that has gained or lost an electron is called a(n) ____

a. isotope
b. ion
c. polar
d. molecule

Answer 9

b. ion

Question 10

When electrons are shared, this type of bond is called ____

a. ionic
b. covalent
c. polar
d. isotope
e. Bond, James Bond

Answer 10

b. covalent

Question 11

Sodium Chloride, also known as table salt (NaCL), is an example of this type of bond:

a. ionic
b. covalent
c. polar
d. isotope

Answer 11

a. ionic

Question 12

How many protons does sodium have?

a. 11
b. 12
c. 13
d. 14
e. 23

Answer 12

a. 11

Question 13

How many neutrons does magnesium have?

a. 11
b. 12
c. 13
d. 14
e. 23

Answer 13

b. 12

Question 14

How many protons and neutrons does sodium have?

a. 11
b. 12
c. 13
d. 14
e. 23

Answer 14

e. 23

Question 15

How many electrons does aluminum have?

a. 11
b. 12
c. 13
d. 14
e. 23

Answer 15

c. 13

Question 16

How many neutrons does aluminum have?

a. 11
b. 12
c. 13
d. 14
e. 23

Answer 16

d. 14

Question 17

Which of these have a full valence shell (outer electron orbital)?

a. neon
b. hydrogen
c. boron
d. Iron
e. calcium

Answer 17

a. neon

Question 18

Which of these elements has two energy levels?

a. helium
b. chlorine
c. calcium
d. lithium
e. phosphorus

Answer 18

d. lithium

Question 19

Which element has 3 electrons in its valence shell (outer energy level)?

a. sulfur
b. argon
c. sodium
d. aluminum
e. carbon

Answer 19

d. aluminum

Question 20

What is the symbol for lead?

a. Le
b. Ld
c. Pb
d. Pd

Answer 20

c. Pb

Question 21

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

Answer 21

c. 15 electrons

Question 22

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

Answer 22

a. ion with a negative charge

Question 23

Which of the following elements is a trace element?

a. carbon
b. sodium
c. nickel
d. neon
e. hydrogen

Answer 23

c. nickel