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Matter,ph Flashcards | StudBud
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Matter,ph
Matter,ph
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1
A change in a substance that creates a new substance with chemical characteristics that are different from original.
Emotional change
Chemical change
Electrical change
Physical change
2
Matter with a definite weight volume and shape
Gas
Liquid
Solid
Matter
3
The smallest complete unit of an element
Atom
Electron
Neutron
Proton
4
Atoms have 3 main parts
Atom,neutron,electron
Electron,proton,neutron
Cells,atom,matter
Matter,proton ,neutron
5
The scientific study of matter and the physical and chemical changes of matter ?
Ph
Cohns
Chemistry
Matter
6
Studies all matter not alive
Inorganic ph
Organic matter
Organic chemistry
Inorganic chemistry
7
A substance that increases the concentration of hydrogen ions when placed in water .
Element
Acid
Atom
Alkali
8
How many gases are in the make up of hair
7
3
2
1
9
Basic substances that cannot be broken down into simpler substances
Elements
Matter
Electron
Neutron
10
Hair is a form of protein called
Amino
Papilla
Keratin
Cortex
11
Organic chemistry would be everything except
Animals
Tomato
Water
Rose
12
Keratin contains____of the common amino acids
7-12
19
29
15
13
The peptide bond is the backbone of all_______ molecules
Protein
Chemical
Keratin
Scientific
14
A change in the physical characteristics of a substance without creating a new substance
Electrical change
Chemical Change
Emotional change
Physical change
15
Ph values above 7 indicate more
Acidic
Alkalinity
16
Inorganic chemistry would be everything except
Rock
Water
Minerals
Rose
17
Ph stands for
Potential chloride
Peptide hydrogen
Poly hydrogen
Potential hydrogen
18
Matter can be change from one form to another in two-ways
True
False
19
Anything that occupies space______
Matter
Science
Time
Chemistry 🧪
20
Deals with all matter living and was alive at one point.
Inorganic chemistry
Organic chemistry
Organic science
Inorganic science
21
Cohns is the chemical make up of ____
Life
Matter
Skin
Hair
22
The ph scale ranges from _____to ______
0-10
0-14
0-9
2-7
23
If a solution has more negative hydroxide ions it is
Alkaline
Acidic
Neutral
Negative
24
Chemical changes will be all of the following except
Hair color change
Shredding paper
Iron to rust
Cake being baked
25
Ph values below 7 indicate more
Acidity
Alkalinity
26
Scientist who study 📚 matter
Bacteriologist
Scientologist
Chemist
Matterilogist
27
Amino acids are compound consisting of carbon oxygen hydrogen and nitrogen
True
False
28
How many solid elements are in the makeup of hair
2
3
1
4
29
Matter with a definite weight and volume but no definite shape
Liquid
Matter
Solid
Gas
30
A solution has a equal number of positive and negative ions it is
Alkaline
Neutral
Acidic
Positive
31
How many known elements are there known
25
120
118
117
32
Matter would be all of the following except
Water
Hair
Skin
Nails
33
Matter with definite weight but indefinite volume and shape
Gas
Solid
Liquid
Matter
34
The amino acids that create proteins are linked together end to end by a ___bond
Matter
Protein
Chemical
Peptide
35
The presence of this element distinguishes living matter and non living matter
Oxygen
Carbon
Sulfur
Iron
36
Examples of physical changes would include all except
Melting ice
Cake being baked
Breaking glass
Freezing water
37
The human stomach contains hydrochloride acid to help?
Digest food ,and kill bacteria
To assist in binary fission
Help your eyes function
To help with peptide bonds
38
All matter whether solid liquid or gas consist of atoms which make up elements
False
True
39
Tend to taste sour
Element
Alkali
Acids
Peptide
40
Tend to taste bitter
Element
Alkali
Acid
Peptide
41
A solution has more positive hydrogen ions than negative hydroxide ions it is
Acidic
Neutral
Negative
Alkaline
42
Decreases the concentration of hydrogen ions
Acid
Matter
Alkali
Peptide
43
Hair is made of 97% keratin protein and ____% trace minerals
2
6
3
4
