BIO 1201 Unit 1 Sammons LSUA
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Non Polar - CORRECT ANSWER - electonegativity sum of two elements is more than 0.5
Polar - CORRECT ANSWER - electronegativity sum of two elements is less than 0.5
4C (39F) - CORRECT ANSWER - Water is most dense
Valence Shell - CORRECT ANSWER - outermost electron shell
element - CORRECT ANSWER - A substance that cannot be broken down into simpler
substances
compound - CORRECT ANSWER - A substance made up of atoms of two or more
different elements joined by chemical bonds
atom - CORRECT ANSWER - smallest unit of matter
ion - CORRECT ANSWER - different number of elections than protons
isotope - CORRECT ANSWER - different number of neutrons than protons
cation - CORRECT ANSWER - loss of electrons (makes it positive)
anion - CORRECT ANSWER - gain of electrons (makes it negative)
, isotopes biologically apply by - CORRECT ANSWER - dating fossils, tracing atoms
through metabolic pathways, and diagnosing medical disorders
carbon, hydrogen, oxygen, nitrogen - CORRECT ANSWER - 96% of living matter
1 - CORRECT ANSWER - Hydrogen atomic number
12 - CORRECT ANSWER - Carbon atomic number
14 - CORRECT ANSWER - Nitrogen atomic number
15.99 - CORRECT ANSWER - Oxygen atomic number
electron shells - CORRECT ANSWER - where electrons orbit their nucleus
electrons with less energy - CORRECT ANSWER - orbit in shells closer to the nucleus
electrons with more energy - CORRECT ANSWER - orbit in shells farther from nucleus
valence electrons - CORRECT ANSWER - electrons in the outermost shell
valence electrons - CORRECT ANSWER - The chemical behavior of an atom is
determined by
full valence shell - CORRECT ANSWER - atoms with incomplete valence shells can share
or transfer valence electrons with other atoms in an attempt to get a
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Non Polar - CORRECT ANSWER - electonegativity sum of two elements is more than 0.5
Polar - CORRECT ANSWER - electronegativity sum of two elements is less than 0.5
4C (39F) - CORRECT ANSWER - Water is most dense
Valence Shell - CORRECT ANSWER - outermost electron shell
element - CORRECT ANSWER - A substance that cannot be broken down into simpler
substances
compound - CORRECT ANSWER - A substance made up of atoms of two or more
different elements joined by chemical bonds
atom - CORRECT ANSWER - smallest unit of matter
ion - CORRECT ANSWER - different number of elections than protons
isotope - CORRECT ANSWER - different number of neutrons than protons
cation - CORRECT ANSWER - loss of electrons (makes it positive)
anion - CORRECT ANSWER - gain of electrons (makes it negative)
, isotopes biologically apply by - CORRECT ANSWER - dating fossils, tracing atoms
through metabolic pathways, and diagnosing medical disorders
carbon, hydrogen, oxygen, nitrogen - CORRECT ANSWER - 96% of living matter
1 - CORRECT ANSWER - Hydrogen atomic number
12 - CORRECT ANSWER - Carbon atomic number
14 - CORRECT ANSWER - Nitrogen atomic number
15.99 - CORRECT ANSWER - Oxygen atomic number
electron shells - CORRECT ANSWER - where electrons orbit their nucleus
electrons with less energy - CORRECT ANSWER - orbit in shells closer to the nucleus
electrons with more energy - CORRECT ANSWER - orbit in shells farther from nucleus
valence electrons - CORRECT ANSWER - electrons in the outermost shell
valence electrons - CORRECT ANSWER - The chemical behavior of an atom is
determined by
full valence shell - CORRECT ANSWER - atoms with incomplete valence shells can share
or transfer valence electrons with other atoms in an attempt to get a
