3/3/26, 8:07
PM
BIO 168 EXAM 2 WITH VERIFIED QUESTIONS AND ANSWERS 2026/2027
what is matter the " stuff of the universe "
what three forms does matter come solid, liquid, gas
in
The form of matter is altered by the Heat
amount of______________________that
is applied to it.
What does all matter form from ? Elements
What are elements composed of ? atoms
https://quizlet.com/1134630270/bio-168-exam-2- 1/
flash-cards/ 11
, 3/3/26, 8:07
PM
About how many elements are about 20
found in the human body ?
atoms are similar in the way that they neutrons, protons and electrons
each contain-
why do atoms have different Because of the different number of protons
weights and reactive properties ? electrons and neutrons in each atom
What do differences in the number of Different weights and reactive properties with other
protons neutrons and electrons atoms
cause in atoms?
What's it called when an atom forms chemical bond
an attraction with another atom?
What's in the center of an atom? nucleus
what does the necleus contain? The atoms neutrons and protons
what do electrons do in a atom? orbit the nucleus
What's the net charge of protons ? +1
What's the net charge of neutrons ? 0
What's the net charge of electrons ? -1
What's the net charge of a complete 0
atom ?
why is the net charge of a complete the number of protons to electrons are always the
atom zero ? same in a complete atom
what determines the type of atom? The number of protons found in the atom
https://quizlet.com/1134630270/bio-168-exam-2- 2/
flash-cards/ 11
PM
BIO 168 EXAM 2 WITH VERIFIED QUESTIONS AND ANSWERS 2026/2027
what is matter the " stuff of the universe "
what three forms does matter come solid, liquid, gas
in
The form of matter is altered by the Heat
amount of______________________that
is applied to it.
What does all matter form from ? Elements
What are elements composed of ? atoms
https://quizlet.com/1134630270/bio-168-exam-2- 1/
flash-cards/ 11
, 3/3/26, 8:07
PM
About how many elements are about 20
found in the human body ?
atoms are similar in the way that they neutrons, protons and electrons
each contain-
why do atoms have different Because of the different number of protons
weights and reactive properties ? electrons and neutrons in each atom
What do differences in the number of Different weights and reactive properties with other
protons neutrons and electrons atoms
cause in atoms?
What's it called when an atom forms chemical bond
an attraction with another atom?
What's in the center of an atom? nucleus
what does the necleus contain? The atoms neutrons and protons
what do electrons do in a atom? orbit the nucleus
What's the net charge of protons ? +1
What's the net charge of neutrons ? 0
What's the net charge of electrons ? -1
What's the net charge of a complete 0
atom ?
why is the net charge of a complete the number of protons to electrons are always the
atom zero ? same in a complete atom
what determines the type of atom? The number of protons found in the atom
https://quizlet.com/1134630270/bio-168-exam-2- 2/
flash-cards/ 11
