The number of unpaired these determines how many bonds an atom can make.
What are valence electrons.
100
When water molecules stick together, this is know as?
What is cohesion.
100
These are the repeating units that make up any polymer.
What are monomers.
100
What is the smallest unit of matter that still retains the properties of an element?
What is an atom.
200
Maintaining homeostasis and using DNA as a heritable unit are two...
Daily Double!
What are characteristics of life?
Name 4 other characteristics of life for an extra 200 points!
200
This type of bond arises from the electrostatic attraction between an anion and cation.
What is an ionic bond.
200
Compare liquid and solid water, which is more dense?
What is liquid water. (ice floats so less dense)
200
The polymer of this monomer is a polysaccharide, or complex carbohydrate.
What are monosaccharides? Simple sugars like glucose..
200
The nucleus of an atom contains these two subatomic particles.
What are protons and neutrons.
300
This variable is usually placed along the y axis of a graph of experimental data.
What is the dependent variable?
300
This type of interaction arises from the transient changes in electron density around each atom causing very weak partial charges.
What are Van der Waals forces.
300
Water is a good solvent, and is easily able to dissolve polar and ionic compounds. Collectively, compounds which easily dissolve in water are referred to as?
What are hydrophillic molecules?
300
This polysaccharide is a plant energy storage molecule made of a series of glucose monomers.
What is starch.
300
The atomic number indicates the number of what in an atom?
What are protons.
400
This is broader in scope than a hypothesis, with more evidence to support a widely accepted, comprehensive idea.
What is a scientific theory?
400
This type of bond involves sharing electrons between two atoms, one of which is more electronegative than the other. You must be specific to get full points.
What is a polar covalent bond?
400
The pH scale is based on the concentration of what ion?
What is the H+ ion, from the auto ionization of water.
400
A dehyrdation synthesis reaction is used to connect to monomers into a polymer. This reaction involves the loss of what molecule?
What is water.
400
In order for an atom to be inert ( nonreactive), what must it have?
What is a full valence shell, usually a full octet.
500
This theme of biology states that species change over time and are related to one another, Natural selection explains how this occurs.
What is evolution ?
500
This type of bond involves the interactions between partially charged atoms, one hydrogen atom covalently bound to an electronegative atom interacts with another electronegative atom.
What is a hydrogen bond.
500
This solution can easily moderate changes in pH, you can add acid or base without drastically changing the pH value.
What is a buffer?
500
The specific type of linkage between two monosaccharides.
Daily Double:
What is a glycosidic linkage?
What type of generic bond is this?
500
What type of ion is formed by the loss of electrons and is it positive or negative?