Chapters 1-3
A suggested explanation for an observation to test
What is a hypothesis?
A negatively charged ion
What is an anion?
In your experiment, acetone was more likely to dissolve __________ compounds
What is covalent?
Nobel prize winning physicist who said: "What I cannot create, I cannot understand"
Who is Richard Feynman?
The number of significant digits in 0.09060
What is 4?
The most important contribution made to modern chemistry by alchemists?
What is the experimental approach?
The specific instance where a liquid changes into a gas
What is boiling point?
This type of bond is often soluble in water but insoluble in organic solvents
What is an ionic bond?
The first person to refer to the smallest particles composing matter as atoms?
Who is Democritus?
What region of the electromagnetic spectrum is commonly used in spectroscopy?
What is visible light?
Anything that takes up space and has mass
What is matter?
______________ Is determined by the weighted averages of isotopes of an element
What is atomic mass?
What shape of molecule does phosphorus hydride or ammonia form?
What is pyramidal?
The Nobel prize-winning chemist who devised an electronegativity scale
Who is Linus Pauling?
One metal and one nonmetal create this type of bond
What is an ionic bond?
The 3 basic concepts that encapsulate a Christian worldview
What is creation, fall and redemption?
This element constitutes 21% of the earth's atmosphere and is the most abundant element in the earth's crust. Essential for life.
What is oxygen?
The measure of an atom's ability to attract electrons to itself in a chemical bond is called __________
What is electronegativity?
German Physicist who received the Nobel prize in Physics for his contributions to the development of quantum mechanics and development of the principle of indeterminacy.
Who was Werner Heisenberg?
The three types of bonds
What is metallic, ionic and covalent?
A charged atom
What is an ion?
High electronegativities are associated with large ionization energies and high electron ____________
What is affinities?
The number of electrons that an atom in a compound must gain or lose to return to it's neutral state
What is oxidation numbers (ON)?
Whose work resulted in the revision of the periodic law and the atomic number being used as the organizing factor for the elements of the periodic table?
Who was Dmitri Mendeleev?
Name a molecular shape that will always produce polar molecules, assuming that the central atom is bonded to an atom of a different identity?
What is bent or trigonal pyramidal molecular shapes?