Final Flashcards
The data collected through an experiment is called
HhhhhhTables
Which term describes the ability of a materiel to be drawn into wires
Ductility
The amount of matter packed into a given volume determines its
Density
Which of the following is not 1 of the size common forms of energy
Guiguigouhouhuo
What is an assessment of the exactness of a measurement
Accuracy
The # of _____ in the nucleus is called an atoms atomic #
Protons
Who developed a mathematical model of the atom
Bohr
What principle states that we cannot know both the energy and the momentum of an electron at the same time
Heisenberg uncertainty principle
Who suggested that elements be arranged according to their atomic number
Mosely
The elements produced by manmade nuclear reactions were called the
Transuranium elements
The energy required to remove the 1st electron from its outermost shell is the
1st Ionization Energy
The measure of the attraction between the nucleus and valence electrons is
Electron Affinity
Which are soft metals that are very reactive because of a single loosely held electron
Alkali Metals
Which type of elements have characteristics that lie between metal and nonmetals
Metalloids
Atoms that bond using delocalized electrons form
Moms,sums,s
What is the tendency of an object to form 2 localized regions of opposite character
Kkskkssksks
0.0-0.3
Non-Polar covalent
0.4-1.9
Polar covalent
2.0-3.3
Ionic
When electrons are shared equally the bond is called
Polar covalent
Which shape is always polar
Bent
What is orbital hybridization
When orbitals of different energies combine together to form new orbitals
What describes the magnitude and direction of molecular polarity
Dipole moment
Which shape is Y-Shaped arrangement with all 4 atoms lying on a single plane
Trigonal Planar
What is orbital hybrid
When orbitals of different energies combine together to form new orbitals
Partial charges are represented by what symbol
Sigma
In a Lewis diagram the arrow with a plus sign point toward what
The atom with the higher electronegative
What describes the magnitude and direction of molecular polarity
Dipole moment
What shape is Y shaped arrangement with all four atoms lying on a single plane
Trigonal planer
The creation mandates calls us to
Have dominion over creation
Simplifies representation that characterize a system or explain a phenomenon is known as an
Scientific model
What is science
The total collection of knowledge gaining through the systematic observation of nature
What science probes nature simply to learn new things
Pure science
What is chemistry
The study of matter and the changes it undergoes
Smallest basic particles of an element
Atom
What is a charged atom
Ion
Who first developed an atomic model based on experimental evidence
John Dalton
Who was the modern periodic table creditors to
Mendeleev
What are the vertical columns on the periodic table called
Families or groups
What are the horizontal rows on the periodic table called
Periods or series
Who was the 1st chemist to quantify the electronegativity
Linus Pauling
What is a graphic description of how elements differ from one another
Periodic table
Who wanted the elements to be arranged by atomic number
Mosely
The elements that produced by manmade nuclear reactions were called what
Transuranium Element
What type of ions have lost electrons to make them have a positive charge
Cations
The measure of the attraction between the nucleus and valence electron is what
Electron affinity
Which are soft metals that are very reactive because of a single lossely held electron
Alkali Metals
What element has characteristic that lie in-between metals and nonmetals
Metalloids
Which group is named because they form salts when they react with other reactive metals
Helogens
What does the modern periodic law states
All elements differ according to their atomic number in a periodic way
