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"Blind" Quiz - Chemistry of Life Flashcards | StudBud
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"Blind" Quiz - Chemistry of Life
"Blind" Quiz - Chemistry of Life
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Chemistry of life!
Flashcards
37 cards
F
Practice quiz
P
Host live
L
Questions
37
Answers
1
pH is a measure of the amount H+ or H3O
+
ions as compared to OH
-
ions.
Ok got it!
Huh? Can you explain?
2
So another way of explaining magnet attraction is
opposites attract
opposites repel
3
Which of the following is NOT associated with the "
Chemistry of Life
".
Themes of Biology
Energy and chemical reactions, and cellular chemistry
The Nature of Matter
Water & Solutions
4
What is the range of numbers used on the pH scale?
0-100
0-14
10-15
1-5
5
So if water is polar then...
it has a positive end and a negative end
it has two negative ends
it has two positive ends
huh? like the north pole?
6
Bases turn litmus paper this color?
green
blue
red
yellow
7
An
atom
is
an impure substance
a type of chemical bond
the smallest unit of matter that cannot be broken down
a substance made of two or more elements
8
So lemon juice will turn litmus paper this color
polka dot
stripes
red
blue
9
Acids turn litmus paper this color?
blue
yellow
red
green
10
Isotopes are the SAME ELEMENT! The only difference is the
# of NEUTRONS!!
OK, got it!"
"Could you explain again?"
11
If a substance is an acid, what numbers represent an acidic pH?
8-14
wait what is pH?
0-6
7
12
4. What is the pH of an lemon (which is an acid)?
0-6
8-14
This is very frustrating. I have no idea what is going on!
7
13
Atoms are made up of
Protons, & Neutrons
Protons, Neutrons, and Electrons
Electrons
Neutrons
14
What property do all of these household substances have in common?
They are all acids
They are all bases
They are all neutral
are those eggs?
15
Hydrogen bonds can form between regions of polar molecules that are
oppositely charges
negatively charged
nonpolar
neutral (uncharged)
16
How is an Isotope different than a regular element?
Isotopes have different numbers of protons
isotopes are relatives of elements
isotopes are cool man
isotopes have different numbers of neutrons
17
Which ends of a pole magnet attract each other?
north to north
north to south
south to south
18
Cohesion
is an attraction between substances of the
SAME KIND
!
"Okay, got it".
"Can you explain this again"?
19
Protons have a
negative charge
neutral charge
positive charge
charge?
20
What unit of measurement is used to determine if a substance is acidic or basic?
grams
g/ml
cm3
pH
21
What property do all three of these common household substances have in common?
They are acidic
They are neutral
They are basic
What is calumet?
22
Hydrogen bonds can form between regions of polar molecules that are
nonpolar
negatively charged
oppositely charges
neutral (uncharged)
23
Isotopes are the SAME ELEMENT! They have the same # of protons, and the same # of electrons.
OK, got it!"
"Could you explain again?"
24
Atoms
are the smallest unit of matter.
Elements
are pure substances made of one type of atom!
"Can you explain again?"
"Yup, got it!"
25
Adhesion
is the attraction between
DIFFERENT SUBSTANCES
!
Okay, got it
Can you explain this again?
26
Elements are made up of only ______ type of atom.
2
1
4
3
27
What is the pH of soap (which is a base)?
I still have no idea what is going on!
0-6
7
8-14
28
What property allows water to stick to the side of this cactus?
Adhesion
Cohesion
29
What unit of measurement is used to determine if a substance is acidic or basic?
cm3
pH
g/ml
grams
30
What property allows water to form droplets?
Adhesion
Cohesion
31
4. What is the pH of an lemon (which is an acid)?
8-14
This is very frustrating. I have no idea what is going on!
7
0-6
32
Soap will turn litmus paper this color
tie dye
paisley
red
blue
33
What property allows water to form droplets?
Cohesion
Adhesion
34
What is the pH of soap (which is a base)?
I still have no idea what is going on!
0-6
8-14
7
35
An
atom
is
a substance made of two or more elements
a type of chemical bond
an impure substance
the smallest unit of matter that cannot be broken down
36
How is an Isotope different than a regular element?
isotopes are relatives of elements
isotopes are cool man
isotopes have different numbers of neutrons
Isotopes have different numbers of protons
37
Water is a neutral substance, so its pH is?
7
8-14
my head hurts!
0-6
