The study of matter and how various kinds of matter react with each other
What is Chemistry
100
The present-day term "chemistry" is derived from the term
What is alchemy
100
The number of subatomic particles in any one atom is the basis for the
What is atomic number
100
How many quantum numbers are there?
What is 4
100
Name the three methods of electron notation that we learned so far
What is Orbital notation, Electron configuration notation, Electron Dot notation
200
Forms of matter that can not be separated by any means
What is an element
200
In about 100 AD, Greek scientists were very busy studying scientific processes in an attempt to ?
What is change non-valuable elements into more valuable elements such as gold
200
The atomic number of an element refers to:
A. The number of protons
B. The number of electrons
C. The number of neutrons
D. All of the above
What is D. all of the above
200
The first quantum number is referred to as ? and tells us ?
What is Principle quantum number;this number represents the distance from the nucleus of an atom to the energy level it represents.
200
Write the orbital notation for Magnesium
What is Mg: __ __ __ __ __ __
1s 2s x y z 3s
Arrows in opposite directions fill each level
300
Write the atomic symbols for Silver, Vanadium and Mercury
What is Ag, V, Hg
300
The measure of matter in an object
What is mass
300
The second quantum number is known as ? and tells us ?
What is Orbital quantum number; shape of the orbit or path that the electrons follow
300
Write the Electron configuration notation for Argon
What is Ar: 1s2, 2s2, 2p6, 3s2 3p6
(all second numbers are superscript)
400
Atoms are composed of smaller components known as
What is subatomic particles (Electrons, protons, neutrons)
400
What is the relationship between ionization energy and the periodic table?
What is the higher the ionization energy the more stable the element (right side of the table), the lower the ionization energy the more reactive the element (left side of table)
400
Electrons are found in the nucleus of an atom. True or False;
What is False- they are found in orbitals surrounding the nucleus
400
The third quantum number is called? and tells us?
What is Magnetic quantum number, tells the direction or orientation in space that each orbit has.
400
Write the electron dot notation for Carbon
What is C (with 6 dots)
500
Subatomic particles vary in mass, two have similar masses, these are
What is neutrons and protons
500
What is the relationship between atom size and the periodic table?
What is atomic size increases as you move down through a family of elements but decreases as you move across through a period.
500
The atomic number always represents the number of neutrons
What is False, sometimes the number of neutrons varies-
500
What is the fourth quantum number and what does it tell us?
What is Spin quantum number, tells the direction the electrons are rotating