Formulas, Constants and Configurations
Definitions
The Periodic Chart and Characteristics
Frequency and Wavelength
Bonus
100
1.66x10-24 grams
What is 1 amu or 1 atomic mass unit?
100
The spontaneous breakdown of an atom's nucleus, which often changes the element to which the atom belongs.
What is radioactive decay?
100
Atomic number of 12
What is Magnesium (Mg)?
100
The high points of a wave are called __________.
What is a crest?
100
The value that represents the speed of light.
What is 3.00x108 m/sec ?
200
The variable that represents the speed of light constant.
What is "c"?
200
Identifying chemicals by studying the light they emit or absorb.
What is spectroscopy?
200
*When the atomic mass is different than the atomic number, it results in _________.
What is "an isotope"?
200
A wavelength can be measured on a wave by looking at the distance between two ____________ or two __________.
What is crests or troughs?
200
An isotope of an element has a different number of __________ than the average of that element.
What is a neutron?
300
This equation relates wavelength to frequency.
What is f = c/𝜆?
300
A quantity in nature that never changes.
What is a physical constant?
300
Silicon has ______ protons, electrons and neutrons.
What is 14 protons, 14 electrons and 14 neutrons?
300
We use what mathematical term to describe the relationship between frequency and wavelength.
What is inversely proportional?
300
A substance that can not be broken down into simpler substances.
What is an element?
400
1/sec represented as a unit label.
What is the metric unit hertz (Hz)?
400
When one things changes another changes in the exact same way.
What is directly proportional?
400
Potassium is designated using the letter _____.
What is K?
400
Orange light has a wavelength of 612 nm. What energy does a photon of this light have?
What is 3.25x10-19 J ?
400
A combination of two or more ATOMS joined together.
What is a molecule?
500
h
What is Planck's constant, 6.63x10-34?
500
Describes how light is "packaged"
What is a photon?
500
Ca represents this element.
What is Calcium?
500
A photon has an energy of 1.19 x 10-16 J. Solve for the frequency.
What is 1.79 x 1017 Hz?
Or 1.79 x 1017 1/sec?
500
Energy and frequency are ___________ proportional. This means that when one changes the other changes in exactly the same way.
What is directly?
600
The formula used to solve for energy, E.
What is E = h x f?
600
The lowest energy state of a particle.
What is ground state?
600
The symbol (including atomic mass) of the element that has 54 protons and 133 neutrons is called ______and has how many electrons.
What is 133Xe? What is 54?
600
Light has a frequency of 3.45x10-17 Hz. Solve for the wavelength.
What is 8.70x10-10 m?
600
A photon has an energy of 1.19 x 10-16 J. What is it's frequency?
What is 1.79 x 1017 Hz?
700
Give the full ground state electron configuration for Cobalt (Co).
What is 1s22s22p63s23p64s24d7?
700
Light, as well as many subatomic particles, have the properties of both particles and waves.
What is wave-particle duality?
700
When looking at the periodic chart, groups or rows have similar chemical characteristics?
What is a group?
700
This class of elements make terrific semi-conductors because they don't get too hot when conducting energy.
What is a metalloid?
700
_______ tend to gain electrons when forming ions.
What is 'non-metal'?
800
Give the abbreviated ground state electron configuration for Barium (Ba).
What is [Xe]6s2?
800
The outermost electons on an atom are called _______.
What are valence electrons?
800
The ending of an atoms name changes to ____ if it gains one or more electrons and becomes negatively charged.
What is -ide?
800
______ compounds form between metals and non-metals.
What is ionic?
900
Draw the Lewis structure for Sulfur (S).
900
Atoms that develope an electrical charge by either loosing electrons (cations) or gaining electrons (anions) are called ________.
What is an ion?
900
______ tend to lose electrons when forming ions.
What is 'metals'?
900
Metals tend to look _____, are _____ and are _____ conductors.
What is shiny, malleable and good?
1000
Give the Lewis Structure for a Sodium ion.
1000
These chemicals are chemicals that form a conductive solution when dissolved.
What is an electrolyte?
1000
This forms between cations and anions and are held together by their mutual attraction.
What is an ionic compound?
1000
Give the chemical formula for a compound of magnesium and iodine.
What is MgI2?
Mg is in group 2A, which means it is a 2+, and Iodine is in group 7A, which means it is a 1-. It takes 2 iodine for every 1 magnesium.