stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Basic Chemistry Flashcards | StudBud
Explore
/
Basic Chemistry
Basic Chemistry
28 terms
·
StudBud Administration
·
1,800 plays
Chapter 2
Flashcards
28 cards
F
Practice quiz
P
Host live
L
Questions
28
Answers
1
Which three subatomic structures comprise an atom?
protons, electrons,and matter
protons, ions, andthe nucleus
ions,neutrons, and electrons
protons, neutrons,and electrons
2
Which of the following increases the speed of a chemical reaction?
isotope
ATP
catalyst
cation
3
Blood is called a colloidal suspension because
it consists of the suspended plasma proteins
it consists of the sodium and chloride ions
it is alkaline
it has a pH of 7.4
4
Chemistry is the study of _____.
biological functions
chemicals
chemical reactions
matter
5
One atom of oxygen bonds covalently with two atoms of hydrogen.
Carbondioxide
Neutralization of an acid with a base
Water
tincture
6
Which compound is the universal solvent?
ATP
Carbondioxide
Water
Oxygen
7
Which of the following is true about an uncontrolled diabetic patient who is making excess acid
His blood pH will be 7.48
His blood pH will increase
He will become alkalotic
His blood pH will be less than 7.35
8
The word ferrous refers to
iron
alkaline solution
any cation
acid solution
9
Which of the following is most descriptive of HCl?
Dissociates into Na+ and Cl–
Raises pH
Is an acid
Is called bicarbonate
10
The sharing of electrons is referred to as
ionic bonding
radioactive decay
isotope formation
covalent bonding
11
pH levels from 7-14 are...
Base
Alkaline
Neutral
Acid
12
What is the energy-transferring molecule?
ATP
H+
Ca2+
NaCl
13
Water is a(n)
aqueous solvent
all ofthe above
molecule
compound
14
Which of the following is descriptive of the patient with a blood pH of 7.50?
The pH is within normal limits
The patient is alkalotic
The patient is dehydrated
The patient is acidotic
15
Which of the following is a measurement of hydrogen ion concentration [H+]?
Isotope
pH
Atomic number
Atomic mass
16
Which compound is a waste product of cellular metabolism?
ATP
Catalyst
Oxygen
Carbondioxide
17
pH levels from 1-7 are...
Base
Acid
Neutral
Alkaline
18
Which of the following would be considered a base substance?
stomach contents
black coffee
Sodium hydroxide
lemon juice
19
What causes an ionic bond?
the transfer of electrons between atoms
polarity
the sharing of electrons by the outer shells of the atoms
the transfer of energy from one nucleus to another nucleus
20
ATP
ionizes to H+, there by lowering pH
is a radioactive isotope of phosphate
is a buffer, removing H+ from solution
is an energy transfer molecule
21
Which of the following substances is most abundant in the human body?
water
carbon dioxide
oxygen
sodium
22
Bicarbonate (HCO
3
) is:
Stomach acid
Component that makes the blood more acidic
buffer in blood that prevents blood from becoming too acidic
Acid in the blood
23
Which element is
NOT
one of the four common elements that make 96% of the body weight?
carbon
hydrogen
ATP
oxygen
24
Which of the following is least descriptive of the nucleus of the atom?
Its contents determine the atomic mass
It is the "Home " of the electrons.
It is the "Home " of the protons.
Its contents determine the atomic number
25
Which of the following is descriptive of the patient with a blood pH of 7.28?
The patient is dehydrated
The patient has a deficiency of H+
The pH is within normal limits
The patient is acidotic
26
A cation is a(n)
ion that has an atomic mass of 2
isotope
positively charged ion
electrolyte
27
When two or more atoms bond, they form a(n) ________.
ion
molecule
electrolyte
neutron
28
Which pH is considered neutral?
7.35
7.00
7.45
14.0
