Chemicals in Organisms
Why Reactions
Ions
Ions: Math
pH
100
Lactose falls under this type of sugar.
disaccharide
100
An atom that has 19 protons has what as an atomic number?
19
100
When an atom loses neutrons what is it called?
isotope
100
How many neutrons does phosphorous have?
16
100
What is the pH of an acid?
0-6
200
These speed up chemcial reactions.
Enzymes
200
Name 5 ways there is evidence of a chemical reaction occuring.
Change in color, Change in temperature, Bubbles, Dissolving, Supersaturation, Formation of precipitate, Light, Odor
200
How do you find the atomic mass of an atom?
Protons + neutrons
200
What is the atomic mass of an atom with 12 protons, 13 neutrons, and 11 electrons?
25
200
If blue litmus paper stays blue, what does that mean?
could be basic or neutral
300
This grabs oxygen for transport throughout the body.
Hemoglobin
300
What are the charges of each particle?
proton - positive, neutron - neutral, electrons - negative
300
How can you tell if an atom has become an ion or not?
look for a charge, different number of electrons compared to protons
300
How many electrons is oxygen likely to have in order to be "happy"?
10
300
What are 3 examples of bases?
Blood, Egg white, Baking soda, Bleach, Soap, Ammonia
400
These two proteins make up muscle fibers.
Actin and myosin
400
Where are all 3 particles of an atom located?
proton/neutron - nucles, electron - electron cloud
400
If there is no change to the number of electrons, what is the element pictured?
carbon
400
How many protons, neutrons, electrons, and charge of Aluminum if it gains 3 electrons?
13 protons, 14 neutrons, 16 electrons, 3-
400
What is another term for base?
alkalinity
500
What's the difference between DNA and RNA?
DNA gives cell directions, RNA builds proteins
500
Calcium loses 3 protons. What is Calcium's charge?
Calcium wouldn't lose protons
500
What would Boron likely be if it were to change the number of electrons?
3+
500
How many protons and neutrons would an atom with 51 electrons, an atomic mass of 112, and a 2- charge have?
49 protons, 63 neutrons
500
Skip
Skp