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LIFE102 Week 1 Review Flashcards | StudBud
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LIFE102 Week 1 Review
LIFE102 Week 1 Review
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Lectures 1.1, 1.2, 2.1, 2.2 LIFE102-007 (Dr. Kimberly Jeckel)
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
How do ionic bonds form?
electron transfer
electron swapping
ionization
electron sharing
2
What types of ways do atoms fill their valence shell?
Ionic Bonding
Nonpolar Covalent Bonding
Polar Covalent Bonding
Hydrogen Bonding
3
Ions are atoms with...
Varying number of protons
Varying number of neutrons
Varying number of electrons
Varying number of isotopes
4
What is an element?
Water, Earth, Fire and Air
Substance that cannot be broken down into other substances
Compound with more than one type of atom
Substance made up of molecules
5
Covalent bonds ____.
all of the above
are very strong
transfer electrons
share electrons
6
Ionic bonds ____.
transfer electrons
share electrons
are very strong
all of the above
7
Elements are made up of molecules
True
False
8
How do you distinguish atoms?
Atomic mass
Formal Charge (+/-)
Atomic number
Electronegativity
9
Intermolecular are forces __________ (a) molecule(s)
near
within
around
between
10
Atoms are the ____ level of organization
most important
first
largest
smallest
11
Covalent bonds take place between...
2 metals
2 nonmetals
transition metals only
metals and nonmetals
12
How are you feeling about the upcoming exam?
Confident ;)
Straight up PANICKING!!!! :^))
Pretty good :)
Need more help :/
13
What is an atomic number?
# of ions in an atom
# of protons in an atom
# of neutrons in an atom
# of electrons in an atom
14
Atoms are composed of...
Prions
Neutrons
Electrons
Protons
15
Ionic bonds take place between...
metals and nonmetals
transition metals only
nonmetals only
metals only
16
Atoms with ___ valence electron(s) are the most stable
two
four
eight
ten
17
How do covalent bonds form?
sharing of electrons
none of the above
transfer of electrons
swapping of electrons
18
What is an atomic mass number?
# neutrons + electrons in an atom
# of ions in an atom
# of protons + electrons in an atom
# of protons + neutrons in an atom
19
What determines an atoms chemical behavior?
temperature
electron valence shell
atmospheric pressure
# of neutrons
20
Cations have a negative charge
True
False
21
Organisms are the ____ level of organization
largest
smallest
most important
first
22
Chemical reactions are the breaking and forming of bonds
False
True
23
Intramolecular are forces __________ (a) molecule(s)
between
around
within
near
24
Polar covalent bonds ____.
unequally share electrons
all of the above
are very strong
transfer electrons
25
Anions have a ____ charge
neutral
nonpolar
positive
negative
26
Isotopes are atoms with...
the same number of protons, varying number of neutrons
the same number of neutrons, varying number of protons
the same number of electrons, varying number of protons
the same number of protons, varying number of electrons
27
Which are the essential chemicals for life?
Hydrogen, Oxygen, Nitrogen, Carbon (H, O, N, C)
Nitrogen, Phosphorus, Hydrogen, Silicon (N, P, H, Si)
Iodine, Iron, Boron, Lithium (I, Fe, B, Li)
Sodium, Potassium, Calcium, Magnesium (Na, K, Ca, Mg)
28
Cell theory states that...
all cells come from other cells
cells classify living vs nonliving
everything is composed of cells
cells are basic unit of life
29
Elements are made up of atoms
True
False
30
Which of the following are properties of water?
High heat of vaporization
Adhesion
Cohesion
all of the above
