Atomic Structure
Atomic Theory
Electron Configuration
Periodic Families
Periodic Trends
100
How many protons and neutrons are in the following atom 6529Cu
29 protons
36 Neutrons
100
Dalton's original postulates stated that atoms of a single element are identical to one another. What do we have today as evidence that this is not true?
Isotopes and/or ions
100
How many valence electrons are in the atom with the following configuration:
1s22s22p2
4
100
Elements with the same number of valence electrons will also share the same ... ?
chemical properties
100
As you move across the periodic table, the number of ______________ increases and as you move down the periodic table the number of _______________ increases. Both of these have an impact on the periodic trends.
Protons
Energy Levels
200
What neutral atom as 92 Protons?
Uranium
200
What did Thompson's cathode ray tube experiment discover about the atom?
The existence of the electron
200
Elements that are in the same column share the same number of ....?
Valence Electrons
200
Fe is a good conductor of heat and electricity, of the following elements, which would you also expect to have similar conductivities?
Oxygen, Cobalt, Argon, Bromine, Calcium
Cobalt and Calcium
200
Electronegativity (increases/decreases) going from left to right and (increases/decreases) going from top to bottom.
increases, decreases
300
If the atomic mass of this atom is 22 amu, how many neutrons are in the atom?
12
300
Which model do we understand to be the most accurate depiction of the atom?
Schrodinger's Quantum Mechanical Model
300
An element with 2 valence electrons belongs in which group on the periodic table?
Group 2 (alkaline earth metals)
300
Why are the noble gasses inert/unreactive?
They have a full valence shell
300
List the following elements in order of increasing ionization energy:
S, Ge, P
Ge<Si<P
400
Atoms of one element can have different masses because they have different numbers of ....?
Neutrons
400
What other model used Bohr's concept of energy levels but expanded them into three dimensional spheres and lobes?
Erwin Schrodinger's Model OR the Quantum mechanical model
400
Based on its electron configuration, which of the following elements would most likely steal an electron from another atom during bonding?
Ca, Ti, F, Ar
F
400
What types of ions do halogens form?
-1 ions
400
Order the following elements in order of increasing atomic radius:
Ga, In Al, Si
Si<Al<Ga<In
500
Write the isotopic notation for the atom nitrogen-14
147N
500
Rutherford's gold foil experiment discovered two key things about the structure of the atom. What are these two points?
The atom has a dense positively charged nucleus
The atom is mostly empty space
500
Hydrogen and Fluorine bond together in a 1:1 ratio due to their electron configurations. What other element(s) might you expect to bond with hydrogen in the same ratio?
Cl, Br, I, At
500
What family of elements is extremely reactive, is malleable, and is a good conductor of heat and electricity?
Alkali Metals
500
Based on the trend of electronegativity, are metals or non-metals more likely to give up their electrons when bonding?
Metals