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Atoms flashcards

proton The positively charged particles found in the nucleus of the atom.
electron The negatively charged particles found in the cloud surrounding the nucleus.
neutrons The neutrally charged particles found in the nucleus of the atom.
neutral atom When the number of protons and electrons of the atom are equal.
When an atom has 8 protons, 8 neutrons and 8 electrons, what is the charge of the atom? neutron-zero
The charge of the mass of the atom. positive
Vertical columns on the periodic table. groups or families
Horizontal rows on the periodic table. periods
How do you determine the number of energy levels of an atom of an element when drawing a Bohr model? The period the element is found on determines the number of orbitals.
What is the valence? The outer or last orbital.
How do you determine the number of valence electrons? The number of electrons is determined by the number of the family it is found in.
Carbon has how many valence electrons? 6
How many orbitals does Carbon have? 2
All the elements in this have similar chemical properties. A group or family.
Which group of elements is nonreactive? Group 8, the noble gases
Which group is the most reactive? Group 1
Created by: debbietolbert