BFF
Group 7A has elements that are all categorized as _______.
What are nonmetals?
Our two landmarks on the periodic table.
What are F(smallest bonding atom) and Cs(largest bonding atom)?
Electrons on outermost shell or energy level.
What are valence electrons?
Nitrogen has this many valence electrons.
What is 7?
How many electrons fit on the first energy level?
2
Name the location on your BFF where you find elements with characteristics of both metals and nonmetals.
What is the staircase?
The bonding element in period 3 with the greatest ionization energy.
What is chlorine?
Positive ions are called ________and do they (gain or lose) electrons.
What is a cation that loses electrons?
To satisfied octet rule, an atom has ___________.
What is full s and p orbitals?
Number of orbitals (energy levels) surround the nucleus in a neutral atom of Oxygen.
What is 2?
Approximately 2/3 of the elements can be classified as___________.
What are metals?
Name an element with the same number of valence electrons as Na.
What is K, Li, Rb, or Cs?
Negative ions are called ________and do they (gain or lose) electrons.
What is an anion that gains electrons?
An electrically neutral atom has the following electron configuration: 1s2 2s2 2p6 3s2 3p1
What is aluminum?
Describe what is incorrect about this electron configuration: 1s2 2s2 2p4 3s2
What is the 2p not being filled before the electrons move to the 3s orbital?
Name two elements that have similar properties as Mg.
What is any element in Group 2A?
Be, Ca, Ba, Sr
Pick the atom is the largest atomic size: B, Ba, N, or Cl
What is Ba?
Number of protons and electrons for Li+1.
What is 3p and 2e?
Describe how Phosphorus will follow and satisfy the octet rule.
What is gain three electrons and become P-3 anion?
Describe what happens to the atomic size of Ca when it loses two electrons from its electron configuration.
What is getting smaller because it loses an energy level or orbital?
Our modern periodic table is organized by________.
What is atomic number?
Similar properties reoccur periodically when elements are arranged according to increasing atomic number is called the______________.
What is the periodic law?
Fluorine gains 1 electron: give the symbol and type of ion when this happens.
What is F-1 and it is an anion?
An electrically-neutral atom of this element has the valence electron configuration: 4s1.
What is potassium?
Give the electron configuration for all the valence electrons of an electrically-neutral atom of Oxygen.
What is 2s2 2p4?