How many neutrons are in an atom of sodium (Na)?
What is 12 neutrons?
4. What atom matches this electron configuration?
1s2 2s2 2p6 3s2 3p6 4s2 3d10
What is Zinc?
Name the group to which Chlorine (Cl) belongs to?
What is Halogens?
. In a correctly written Isotope symbol what would be located in the "A" position?
What is mass Number?
How many protons and electrons are in an atom of sodium (Na)?
What is 11?
What element is [He]2p4?
What is oxygen?
. An atoms has 16 protons, 16 electrons and 16 neutrons. Identify the element
What is sulfur?
What varies between isotopes of an element?
What are neutrons and atomic mass?
The atomic weight - the atomic number gives you ?
What is neutrons?
Does hydrogen have a noble gas configuration ? True or false
What is False?
What group does Krypton belong to ?
What is Noble gases ?
How many protons does this isotope have?
What is 22?
The atomic number gives you what two subatomic particles?
What is Protons and electrons?
What is this element? [Ne]3s2
What is magnesium?
What is the name for the elements in green?
What are transition metals?
How many neutrons does this isotope have?
What is Five?
The atomic mass gives is the sum of what two subatomic particles?
What are Neutrons and Protons ?
What is the electron configuration for chlorine ?
What group has stable elements?
What is group 18?
What do these isotopes of carbon all have in common?
What is atomic number and electrons?