Atoms, Compounds and Elements, Oh My!!
An atom is composed of _____.
What is: protons, neutrons and electrons?
The two types of reactions that hold atoms together are _____.
What is, ionic and covalent?
This energy-requiring reaction results in new bonds forming, resulting in a new product.
What is, synthesis?
Water is an example of an ______ molecule.
What is, inorganic?
This substance, when dropped into a solution, breaks up to form ions.
What is, an electrolyte?
Organic substances are divided into these four groups:
What is, Carbohydrates, Lipids, Proteins, and Nucleic acids?
This is a substance that cannot be broken down or decomposed into two or more substances.
What is, an element?
A positive and negative ion attracted to each other form this bond.
What is, an ionic bond?
The interactions between atoms and molecules, which in turn involve the formation and/or breaking of chemical bonds are referred to as _____.
This bond is the reaction between individual water molecules.
What is, hydrogen bonds?
Acids taste _____ and turns litmus paper _____.
What is, sour and red?
This organic substance serves as the primary source of chemical energy for the cells.
What is, Carbohydrates?
The mass number of Carbon is 12.011. This means it has _____.
What is, 6 protons and an average of 6 neutrons.
This term is used to describe a covalent bond in which electrons are not equally shared.
What is, polar covalent? We would've accepted polar as well.
What is, an exchange reaction?
Water is the essential requirement for life due to these functions.
What is: its strong polarity, its high specific heat, its high heat of vaporization, and the cohesion of the molecules.
This substance minimizes the changes of pH within a solution.
What is, a buffer?
Lipids have many usages and purposes in the human body. Name at least three.
What is: Energy, Structure, Vitamins, Protection, Insulation and Regulation?
This region surrounds the nucleus of an atom contains the electrons.
What is, the energy level?
The atoms in this type of bond, have high electronegativities.
What is, a covalent bond?
This reaction introduces water into a compound to break it down into smaller molecules.
What is, hydrolysis?
These particles that are able to resist separation from the medium in which they reside.
This compound results from a neutralization reaction.
What is, a salt?
Proteins have many functions in the body. Some provide structure, some catalyze chemical reactions, and so on. However, all proteins can be broken up into these two groups.
What is, structural or functional?
Chlorine 35 has ____ neutrons.
What is, 18?
Compounds that contain a metal, a non-metal and a hydrogen are considered to be polyatomic ions. These compounds contain ____ bonds.
What is, covalent and ionic?
Through the use of energy and the removal of water, creates macromolecules. This is due to ____.
What is, anabolism and/or dehydration synthesis?
100 cc of ethanol is mixed with 10 cc of water, then water can be called ____. Then 100 cc of water is added to 10cc of ethanol then water will be the ______.
What is, solute and then solvent?
pH stands for:
What is, the negative logarithm of the H+ ion concentration?
This term is used to describe each nitrogen base in one chain of the DNA molecule is joined to a nitrogen base in the other chain by means of hydrogen bonds.
What is, a base pair?