The elements in group 17 are known as ______________.
What are halogens?
The amount of electrons held in "d block."
What is 10?
What is Carbon?
The number of electrons and protons in an atom.
What is the atomic number?
The number of valance electrons in this element 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p4
What is six?
Electrons held in the outermost shell of an atom.
What are valence electrons?
The energy needed to attract an electron from another atom.
What is electronegativity?
The number of valance electrons in this element 1s2 2s2 2p6
What is eight?
Rank from highest to lowest electronegativity O, Co, and Br.
What is O, Br, Co?
The number of neutrons in Iodine
What 74?
The number of protons and neutrons in an atom.
What is the atomic mass?
Elements that are good conductors of heat and electricity?
What are metals?
Family 2 is called this.
What is Alkaline Earth metals?
Groups 1,2 and Groups 3-18 on the PT
What are the representative elements?
The full electron configuration of Rubidium.
What is
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
Rank from lowest to highest ionization energy. Ba, Cu, Ne.
What is Ba, Cu, Ne?
Noble gas configuration for Yttrium?
What is [Kr] 5s2 4d1?
The energy required to remove electrons from another atom.
What is ionization energy?