BIO 1404: Exam 1
Organisms are composed of what - Answer-Matter
What is anything that takes up space and has mass - Answer-Matter
Matter is made up of what - Answer-Elements
What is a substance that cannot be broken down to other substances by chemical reactions - Answer-Element
What...
BIO 1404: Exam 1
Organisms are composed of what - Answer-Matter
What is anything that takes up space and has mass - Answer-Matter
Matter is made up of what - Answer-Elements
What is a substance that cannot be broken down to other substances by chemical
reactions - Answer-Element
What is a substance consisting of two or more elements in a fixed ratio - Answer-
Compound
What elements are required by an organism to live and reproduce - Answer-
Essential elements
What elements are required in minute quantities - Answer-Trace elements
Each element has a certain type of what - Answer-Atom
What is the smallest unit of matter that still retains the properties of an element -
Answer-Atom
What are the smaller parts of an atom called - Answer-Subatomic particles
What are the three Subatomic Particles - Answer-Neutron, Protons, and Electrons
Neutrons and Protons form what - Answer-Atomic Nucleus
What forms a cloud around the nucleus - Answer-Electrons
What is neutron and proton mass measured in - Answer-Daltons
An element's Atomic Number measures the amount of what - Answer-Protons
An element's Mass Number is the sum of what - Answer-Protons and Neutrons
What is an element's average mass - Answer-Atomic Mass
What are two atoms of an element with different number of Neutrons - Answer-
Isotopes
What decay spontaneously giving off particles and energy - Answer-Radioactive
Isotopes
What is the capacity to cause change - Answer-Energy
, What is the energy matter has because or location or structure - Answer-Potential
Energy
What is an Electron's state of potential energy called - Answer-Electron Shell
What is the outermost Electron Shell - Answer-Valence Shell
What occupy the Valence Shell - Answer-Valence Electrons
What keeps atoms close together by attractions called what - Answer-Chemical
Bonds
What is sharing of a pair of valence electrons by two atoms - Answer-Covalent Bond
What is two or more Atoms held together by valence bonds - Answer-Molecule
What is the number of bonds that an Atom can form - Answer-Bonding Capacity
What usually corresponds to the number of electrons required to complete the Atom
- Answer-Bonding Capacity or Valence
What is an Atom's attraction for electrons in a covalent bond - Answer-
Electronegativity
How do the atoms share electron in a Nonpolar Covalent Bond - Answer-Equally
How do the atoms share electron in a Polar Covalent Bond - Answer-Not equally
What is a positively charged ion - Answer-Cation
What is a negatively charged ion - Answer-Anion
What is an attraction between am anion and cation - Answer-Ionic bond
What are compounds formed by ionic bonds - Answer-Ionic compounds or Salts
What is formed when a hydrogen atom covalently bonded to one electronegative
atom is also attracted to another electronegative atom - Answer-Hydrogen Bond
What are weak attractions between molecules that are close together - Answer-Van
der Waals interactions
What is the making and breaking of chemical bonds - Answer-Chemical Reactions
What is the starting molecules of a chemical reaction - Answer-Reactants
What is the final molecules of a chemical reaction - Answer-Products
What is reached when forward and reverse reaction rates are equal - Answer-
Chemical Equilibrium
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