The two main parts of an atom
What is the nucleus and electron cloud?
The formula for the mass number of an atom
What is protons + neutrons?
The number of valence electrons elements have in group 14.
What is 4 valence electrons?
The subatomic particle that is different between isotopes.
What are neutrons?
The difference between atoms and ions
What is having equal (atoms) or unequal (ions) numbers for protons and electrons?
The subatomic particles found in the nucleus of an atom
What are protons and neutrons?
The atomic number of an atom with 18 protons, 19 neutrons, and 17 electrons.
What is 18?
The element in period 3 with 2 valence electrons
What is magnesium (Mg)?
The number always included in all notations for isotopes.
What is the mass number?
Protons and neutrons are made of these.
What are quarks?
The overall charge of the nucleus
What is a positive charge?
The mass number of an atom with 22 protons, 24 neutrons, and 22 electrons.
What is 46?
The most reactive metal and nonmetal families
What are the alkali metals and halogens?
All subatomic particles for the isotope 15O2-.
What are 8 protons, 7 neutrons, and 10 electrons?
The most common isotope of the first element in group 13.
What is boron-11 or 11B?
The type of force that holds the entire atom togeter
What is the electromagnetic force?
The charge of an ion with 33 protons, 33 neutrons, and 36 electrons.
What is 3-?
One property of each type of element: metals, nonmetals, and metalloids
Metals = solids, shiny, good conductors, loosely held e- | Nonmetals = gases, poor conductors, tightly held e- | Metalloids = semi-conductors, physically like metals, chemically like nonmetals
The nuclear notation for the isotope of an ion with 11 protons, 11 neutrons, and 10 electrons.
What is 22Na1+?
The Bohr model for an ion of fluorine (F) that has a mass of 19 and a charge of 1-.
What is a Bohr model with two full energy levels, 9 protons, and 10 neutrons?
The type of force between electrons in the electron cloud
What is a repulsive force?
The atomic number, mass number, and charge of an atom with 17 protons, 19 neutrons, and 18 electrons.
What is an atomic number of 17, mass number of 36, and charge of 1-?
The element that is a highly reactive, nonconductive gas with 3 energy levels in its electron cloud.
What is chlorine (Cl)?
The number of neutrons in the most common isotope for the element with the atomic number 5
What is 6 neutrons?
The difference between the Bohr model and electron cloud model of an atom.
What is electrons orbiting in an orderly fashion compared to electrons moving unpredictably in energy levels