1.1/1.2/1.3
What is an example of qualitative data?
Colors, textures, physical appearance.
What is the basic unit of matter?
Atoms
Is water polar or non polar?
Polar
What are the 4 macromolecules?
Carbohydrates
Proteins
Lipids
Nucleic acid
Whatâs an enzyme?
Biological catalysts
What variable changes?
Independent
Whatâs an isotope?
Atoms of the same element that differ In the number of neutrons.
On the ph scale, what numbers are acid and basic?
0-6
8-14
(Bonus if u said 7 was neutral đ)
Organic vs non-organic..
Contains carbon- organic
Doesnât contain carbon- inorganic
Whatâs a catalyst?
Substance that speeds of a chem. Reaction
Name 4 characteristics of a living thing?
Made of cells
Reproduction
Response to environment
Genetic code
Grow and develop
Evolve
Stable internal environment
Materials and energy
Electrons in the outermost shell that are available for bonding are called?
Valence electrons
Electronegativity isâŚ
The ability for an atom to attract electrons
How many amino acids are there?
20
Does exothermic release or absorb? What about endothermic?
Exothermic- releases
Endothermic- absorbs
What is personal POV rather than scientific POV?
Bias
Name 1 difference between covalent and ionic?
Ionic is transferred (a metal and a non-metal)
Covalent is shared (a non metal and non metal).
Is water and salt a solvent or solute?
Salt is a solute
Water is a solvent
What type of macromolecule is dna?
Nucleic acid
To break down
What are the qualities of scientist? (Name 3)
Curiosity, skepticism, creativity or open mindedness.
What are the charges of a proton neutron and electron?
Positive, neutral, negative.
What is cohesion?
Attraction between molecules of the same substance
What is PHONS and what does it stand for?
Phosphorus, hydrogen, oxygen, nitrogen, and sulfur.
Itâs the 5 atoms carbon can bond too
The activity of an enzyme is based on what?
Shape