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Chemistry of Life Flashcards | StudBud
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Chemistry of Life
Chemistry of Life
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Review of vocab and concepts from Chapter 2 Biology class.
Flashcards
27 cards
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Practice quiz
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Questions
27
Answers
1
Element F with a mass number of 19 and an atomic number of 9, How many neutrons does it have?
19
11
10
9
2
A compound that produces OH- ions in a solution is a/ an _________
acid
pH
neutral
base
3
What are the different parts of the atom that have mass?
Neutrons
both a and b
Electrons
Protons
4
pH is a measure of acids, bases and neutral, what number below represents a strong acid
9
7
2
12
5
When atoms combine and share electrons to form a chemical bond we call it
ionic compound
Molecule
mixture
Nucleus
6
What is created when an element loses or gains an electron?
ion
isotope
iron
isomer
7
In chemical equation what part is after the yield sign or arrow?
catalyst
products
reactions
reactants
8
What is combination of atoms that are chemically combined
mixture
compound
Colloid
element
9
What is property of water that explains both Cohesion and Adhesion?
Polarocity
Polar bears
Polarity
Polymerization
10
Which organic compounds are not soluble in water
DNA
Carbohydrates
Proteins
Lipids
11
What things can affect the rate of a Enzymatic reaction?
Temperature
both 2 and 3
pH
Water
12
what molecules have a string of Carbon, Hydrogen and Oxygen connected?
Proteins
Lipids
DNA
Carbohydrates
13
What do we call an element that does not have the same number of neutrons as protons?
base
Ion
isotope
acid
14
What kind of forces are used to cause both cohesion and adhesion?
Vander der Waals forces
Weak forces
Gravitational forces
Strong forces
15
What part of a solution is dissolved?
solitude
solvent
solute
acid
16
What substances speed up a reaction and lower the activation energy?
Nucleic acid
carbohydrates
proteins
enzymes
17
What Element if seen in molecular model is a clue that it is a protein and not a carbohydrate?
Hydrogen
Oxygen
Fatty Acid
Nitrogen
18
What happens to an enzyme after it finishes with the reaction or catalysis?
mishapen
turns red
destroyed
nothing
19
During catalasis of hydrogen Peroxide H2O2?
Copper sulfide
Iron III Chloride
Iron II Chloride
Sodium Chloride
20
What part of the atom is involved in chemistry and the bonding of atoms.
Neutrons
Quark
Electrons
Protons
21
Elements have most of their mass in the _____
Neutrons
Protons
Nucleus
Electron cloud
22
Mass # - atomic # gives you the number of what subatomic particles in that element
Electrons
Number of electron shells in the atom
Protons
Neutrons
23
Where is the dependent variable on most graphs
X- axis
origin
Y- axis
origin
24
What are the building blocks of Proteins
Nucleic Acids
Amino Acids
Fatty Acids
Monosaccharides
25
what are the correct order of charges for 1 Electron, 2 Neutron, 3 Proton
-,0,+
+,-,0
0,-,+
-,+,0
26
Our body have that allows for an enzyme to fit a substrate that is not a perfect match.
platelets
coenzymes
proteins
cohabitants.
27
Two elements chemically combine by one gaining an electron while the other loses an electron
Ionic bond
molecule
bail bond
Covalent bond