Activity 6
Activity 7
Activity 8
Activity 9
Random Trivia
100
What is the electron configuration for magnesium?
[Neon]3s^2
100
How many valence electrons do the Alkali Earth metals have?
2
100
What is the formula for magnesium chloride?
MgCl
100
Are two neutrons attractive or repulsive?
Attractive.
100
Of all the elements on the periodic table, which has the shortest name?
Tin.
200
Define ground state.
Ground state is the lowest possible energy of an electron described by quantum mechanics.
200
How many more electrons does aluminum have than neon?
3
200
What is the octet rule?
Atoms react by gaining or losing electrons so as to acquire the stable electron structure of a noble gas, usually eight valence electrons.
200
Do electron-proton particles have a nuclear force?
No. An electron is not a nucleon.
200
Name one element that is a liquid at room temperature.
Bromine or mercury
300
Which element has the largest ionization energy?
Helium
300
To what sublevel is the last electron of Argon assigned?
p
300
Draw the dot structure of carbon dioxide.
Look on page 72 in the red Active Chemistry book for a correct example of a dot structure for carbon dioxide.
300
What is an isotope?
Isotopes are atoms of the same element that have the same atomic number but different atomic masses due to a different number of neutrons.
300
What is the chemical name for water?
dihydrogen monoxide
400
What happens to shielding as you go down a group?
Electron shielding increases as you go down a group.
400
What is the electron configuration for cobalt?
[Argon] 4s^2 3d^7
400
What is a binary compound?
A binary compound is a compound composed of two elements.
400
What is the difference between fusion and fission?
Fusion is the process of combining nuclei to produce a nucleus of greater mass. Fission is the splitting of a nucleus into smaller fragments with the release of neutrons and a large amount of energy.
400
Calcium carbonate is more commonly known as...
Chalk.
500
What is the Heisenburg Uncertainty Principle?
The Heisenburg Uncertainty Principle states that it is impossible to precisely determine the exact position and momentum of an electron at the same time.
500
What is one other name for a noble gas, and why is it called this?
A noble gas could also be called a rare gas because they are rare in abundance. A noble gas could also be called an inert gas because they are not very reactive.
500
What is the difference between an ionic and covalent bond?
In an ionic bond, electrostatic attraction (from taking or giving up electrons) binds oppositely charged ions together. A covalent bond is created by the sharing of electrons between atoms of nonmetal elements.
500
What is a radioisotope?
A radioisotope is an isotope that has an unstable nucleus and undergoes radioactive decay.
500
What is the most abundant element in the universe?
Hydrogen
M
e
n
u