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38 Cards in this Set

  • Front
  • Back
Element with 9 protons and 10 neutrons
Fluorine F
Number of protons in an element with an atomic number of 15
15
Ne belongs to which chemical family?
Noble Gases
An atom with the same number of protons and electrons is
Electrically neutral (Has a charge of zero.)
An atom with 4 protons and 5 neutrons
Beryllium
Atomic mass of an atom with 11 protons and 13 neutrons
24
Charge of an atom with 12 protons and 10 electrons
+2
Most reactive metal
Lithium Li
Least reactive family of elements
Noble Gases
Most reactive chemical families
Alkali metals and halogens
Element with 13 protons and 14 neutrons
Aluminum
Family with 8 electrons on the outermost energy level
Noble Gases
Family with 7 electrons on the outermost energy level
Halogens
Electrons on the outermost energy level
Valence electrons
Family of elements that are always found combined
Alkali metals
Properties of metals
Solids, high luster, malleable, high melting point
Properties of metalloids
Some metal and some nonmetal properties
Almost all of the mass of an atom is in its ________ .
Nucleus
Atomic mass minus the Atomic number equals ___ ______ __ _______,
Number of protons
The first energy level in an atom is filled with ____ electrons.
2
The outermost energy level of an atoms is filled with ______ electrons.
8
Atomic model which shows electrons orbiting the nucleus.
The Bohr Model
Element with 20 protons and 20 neutrons
Calcium Ca
Elements located along the stairstep on the periodic table
Metalloids
Elements located primarily on the right side of the periodic table.
Nonmetals
Elements located on the left side of the periodic table
Metals
Two elements in the Carbon Family
Silicon Si
Germanium Ge
Two elements in the Boron Family
Aluminum Al
Gallium Ga
Two elements in the Alkaline Earth Metal Family
Beryllium Be
Magnesium Mg
Two elements in the oxygen family
Sulfur S
Selenium Se
Element with 15 protons and 16 neutrons
Phosphorous P
Atomic mass of an element with 35 protons and 45 neutrons
80 amu
Number of electrons in the neutral atom of an element with 34 protons
34
atomic mass
number of protons + number of neutrons in the nucleus
negatively charged particles which orbit the nucleus
electrons
particles in the nucleus with no charge
neutrons
positively charged particles in the nucleus
protons
Atomic number
number of protons