Basic Structure of an Atom
The particle of an atom outside of the nucleus that has charge of 1- and basically no mass
What is an electron?
The atomic number always tells us the number of this atomic particle
What is a proton?
Anything that has mass and occupies space
What is matter?
A three-dimensional region of space where there is a high probability of finding an electron
What is an atomic orbital?
One-half the distance between the nuclei of two atoms of the same element, an estimate of an atom's size
What is atomic radius?
The two particles that are located in the nucleus of an atom
What are protons and neutrons?
The atomic mass for Oxygen
What is 15.999 amu?
The capacity to do work, change matter, or produce heat
What is energy?
The four different subshells, listed from lowest energy to highest energy
What is s, p, d, and f?
The atom with the smallest atomic radius
What is Helium?
An atom that has a different number of electrons, giving it a charge
What is an ion?
This number on the periodic table is a weighted average of the masses of all isotopes of an atom, based on their abundances
What is atomic mass?
The state of matter with the highest kinetic energy
What is gas?
The outermost shell of an atom
What is the valence shell?
The radius of this type of ion will always be larger than its ground state atom
What is an anion?
An atom that has a different number of neutrons, giving it a different mass
What is an isotope?
This part of the periodic table tells us how many shells an atom has
What is period?
The energy stored in chemical bonds
What is chemical potential energy?
The number of valence electrons in sodium
What is one?
The energy required to remove the outermost electron from a ground state of a gaseous atom
What is ionization energy?
The mass number of an atom of Magnesium that has 13 neutrons and 12 electrons
What is 25 amu?
This feature of the periodic table tells us how many valence electrons an atom will have (if it is in the s block or p block)
What is group?
The pattern formed when light emitted from an element is separated into the different wavelengths it contains, also called "elemental fingerprints"
What is the atomic emission spectra?
This group and family of elements has a full valence shell, making them all non-reactive and gaseous.
What are noble gases?
This character of an atom increases as you go diagonally across the periodic table from the lower left corner to the upper right corner
What is nonmetallic character?