The Atom
what is the charge of a proton, neutron, and electron
proton (+) neutron (0) electron (-)
What element is in Group 2 Period 6
Ba
what type of bond is formed between potassium and chlorine
ionic
name of NaBr
sodium bromide
what is the electron configuration of K
2-8-8-1
what is the mass of a proton, neutron, and electron
proton (1) neutron (1) electron (0)
what are the 3 types of elements
metals, nonmetals, metalloids
what type of bond is formed between nitrogen and oxygen
covalent
name of NO
nitrogen monoxide
which group contains atoms with a completely full valence shell
noble gases (group 18)
what is the location of a proton, neutron, and electron
proton & neutron (in nucleus)
electron (outside of nucleus)
what is the number of valence electrons in a nitrogen atom
5
what happens to the electrons in an ionic bond
electrons are transferred
name of FeCl2
iron (II) chloride
how many dots would be drawn for a lewis dot diagram of an element in group 13
3
what is the mass of an atom with 10 protons, 11 neutrons, and 10 electrons
21 amu
elements in the same group have the same
valence electrons (or similar chemical properties)
what happens to the electrons in a covalent bond
electrons are shared
name of CuSO4
(HINT: use Table E)
copper (II) sulfate
which electron shell in an atom of calcium has the greatest amount of energy
4th shell
what is the charge of the nucleus of a copper atom
+29
which group 15 element is a metal
Bismuth
the degree of polarity in a bond is determined by
electronegativity
ammonium nitrate
what change occurs when an electron moves from a higher shell to a lower shell
energy is emitted