Show:
Atoms and Compounds
Bonds
Chemical Reactions
Water (H20) and Mixtures
pH scale, Acids, and Bases
100
the smallest building block of everything around us
What is an atom?
100
when atoms use their outermost electrons to form chemical compounds they do it by _____
What is bonding?
100
process where a chemical change takes place
What is chemical reaction?
100
Water is what type of bond?
What is polar covalent bonds?
100
What does the pH scale indicate?
What is indicates concentration of hydrogen ions?
200
Atomic number= number of _____
What is protons?
200
term that means sharing elctrons
What is covalent?
200
overall release of energy
What is catabolic/exothermic reactions?
200
What are the two types of solutions and how are they different?
What is Solutue and Solvent? Solute- substance that is dissolved (ex: salt) Solvent- what the solute is dissolved in (ex: water)
200
_____pH= more H+ ions
What is lower?
300
What charge do protons, neutrons, and electrons have?
What is positive, neutral and negative? (protons=positive, netrons= neutral, electrons= negative)
300
term that means transferring electrons (give and take)
What is Ionic?
300
overall input of energy to create products
What is anabolic/endothermic reactions?
300
attraction between water and other polar things- capillary action
What is Adhesion?
300
What is neutral on a pH scale?
What is 7?
400
What do electrons do in the nucles?
What is spinning (spin around)?
400
How are covalent bonds shown?
What is drawing a line?
400
energy required to start the reaction
What is activation energy?
400
attraction between water molecules - forms drops- allows for surface tension
What is Cohesion?
400
On the scale every whole number is _____ stronger/weaker.
What is 10x?
500
what are the 4 major biological compounds?
What is CHON? Carbon (C), Hydrogen(H), Oxygen(O), and Nitrogen(N)?
500
Covalent bonds can be _____ and _____
What is polar and non-polar?
500
what does the the r and p on the anabolic reactions graph?
What is reactants and product?
500
mixture of water and material that does not dissolve
What is suspensions?
500
What are the relative amounts of H+ and OH- ions in an acidic, alkaline, and neutral solution?
Acidic: More H+ than OH- Alkaline (basic): Less H+ than OH- Neutral: Equal amounts H+ and OH-