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Matter and pH
What does the atomic number indicate
What does PH stand for
Matter and pH
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1
What does PH stand for
Positive hydrogen
Potential hydrogen
Positive hydroxide
Potential hydroxide
2
What does the atomic number indicate
The number of protons in an atom
The number of protons in an atom
The number of neutrons in an atom
The number of electrons in an atom
3
Matter with definite weight and volume but has no definite shape
Skin
Liquid
Solid
Gas
4
What is the most common element in the universe
Hydrogen
Carbon
Sodium
Oxygen
5
What is the chemical symbol for carbon
B
C
A
AC
6
Hair skin and nails are a pH of 4.5-5.5
False
True
7
Water is made up of two hydrogen atoms and one oxygen atom
False
True
8
What number is considered neutral on the pH scale
9
8
7
10
9
What has a negative electrical charge
Protons
Neutrons
Electrons
Atoms
10
Iron changing into rust
Chemical change
Organic chemistry
In organic chemistry
Physical change
11
A simple unit of a carbohydrate
Polysaccharide
Saccharide
Lipid
Monosaccharide
12
Basic substances that cannot be broken down into simpler substances
Molecules
Elements
Compounds
Atoms
13
What are the three major parts of an atom
Protons, neutrons and electrons
Neutrons, compounds and protons
Neurons, amino acids, protons
Amino acids, compounds, electrons
14
When a substance gains an electron and oxygen is released
Induction
Infusion
Absorption
Reduction
15
Skin is a solid because it has a definite weight, volume and shape
False
True
16
All matter that is living or has once been living
Alkaline
Acidic
Organic chemistry
In organic chemistry
17
Uniting two different elements is known as a compound
True
False
18
Materials the body uses to construct and renew itself
Carbohydrates
Lipids
Proteins
Saccharides
19
On the pH scale numbers less than 7 are acidic
False
True
20
Two or more atoms joined together by a chemical bond
Molecule
Protons
Proteins
Amino acid
21
Acids tend to taste
Spicy
Sweet
Fresh
Sour
22
What is a negatively charged ion
Cation
Atom
Proton
Anion
23
What color does blue litmus paper turn when placed in an acid
Yellow
Blue
Green
Red
24
Compounds that join together in chains to form proteins
amino acids
Proteins
Atoms
Molecules
25
What is created went tso amino acids join together in chains
Lipids
Proteins
molecule
Carbohydrates
26
Anything that occupies space and has weight
Matter
Gas
Solid
Liquid
27
Matter with definite wait volume and shape
Solid
Atom
Liquid
Gas
28
What is the main ingredient listed in many skin care products
Oil
Water
Glycerin
Proteins
29
What is the smallest complete unit of an element
Electron
Proton
Molecule
Atom
30
Water is a pH of
10
7
8
9
