The particle that is labeled "A".
What is the valence electron?
The number of periods in the periodic table.
What is seven (7) periods?
The number of valence electrons that all elements in group 17 have.
What is 7 valence electrons?
The trend for metal reactivity and atomic radius.
The particle that is labeled "B".
What is the nucleus?
The number of groups in the periodic table.
What is 18 groups?
The number of orbits that all elements in period 3 have.
What is 3 orbits?
The trend for nonmetals, ionization energy, and electronegativity.
What is increases to the right in a period, and up a group?
The particles that are found within the nucleus, and their charges.
What are the protons (positive) and neutrons (neutral or zero)?
The main groups of the periodic table.
What is groups 1-2, and groups 13-18?
The type of element that Bromine (Br), Carbon (C), and Xenon (Xe) are.
What is nonmetals?
The atom with the highest ionization energy.
What is Fluorine (F)?
The particle that tells us what the name of the element is, as well as its atomic number.
What are protons?
The period and group that Helium is located in.
What is the 1st period, and the 18th group (8th main group)?
The type of metal that Strontium (Sr), Barium (Ba), and Radium (Ra) are.
What is alkaline earth metals?
The atom with the largest atomic radius.
What is Francium (Fr)?
The particle(s) that gives us the atomic mass of the atom.
What are protons and neutrons?
The period and main group that polonium (Po) is located in.
What is the 6th period, and the 6th main group?
The type of element that Hydrogen (H) is.
What is a nonmetal or reactive nonmetal?
The least reactive nonmetals.
What are noble gases?