Category #1: August 2023
What is the ability to take on different forms?
energy
What is the atomic number?
the number of protons in an element
where are the noble gases on the periodic table?
In group 18 or 8A
which element uses duet rule
hydrogen
What does the prefix di- mean
2
Energy does not have _____ and ______
Mass and volume
____ crust always floats over ____ crust
continental, oceanic
______________ are not effective at generating an electric current
Nonmetals
what is electronegativity
the tendency for an atom to attract electrons
If there is only one atom of the first element do we use the mono- prefix
no
Which type of energy is stored?
potential energy
How many neutrons does this Isotope have
Copper-64
35
You are writing the Electron Configuration for Astatine. Is the Outermost Subshell (OSS) AFTER the f Block
Yes
the tendency for an atom to attract electrons
arsenate
What elements are type 1 and what elements are type 2
a group elements are type 1, transitional metals are type 2
How does a reaction with high activation energy turn out?
Slow and Hard
Describe a divergent plate boundary
When the plates move past each other
Put these structures from biggest to smallest: subshell, orbital, Principal energy shell
principal energy shell, subshell, orbital
What is the difference between covalent and ionic bonds?
In covalent bonds electrons are shared, and in ionic bonds electrons are stolen
In an ionic compound what should the charges of the 2 elements add up to?
0
What is absolute 0?
Lowest temp possible (0 Kelvin)
How many electrons are in principal energy shell 7?
32
Write Electron configuration for technetium
1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 4s^2, 3d^10, 4p^6, 5s^2, 4d^5
Which type of bonds have a change in electronegativity between 0.4-2.0
Polar covalent bonds
Write the chemical formula for Aluminum Thiosulfate
Al2 (S2O3)3