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CH 3 BIO

QuestionAnswer
if a substance only consists of one type of atom it is an.. element
the max number of electrons in the third energy level is... 8
a covalent bond is formed by sharing electrons
the elements or compounds produced by chemical reactions are the products
all objects consist of matter
the pull of gravity determines the object's weight
most of the mass of an atom is concentrated in the nucleus
a sodium atom becomes a sodium ion when it loses an electron
an ionic bond is formed as the result of the transfer of electrons
if a chlorine atom has 17 protons and 18 electrons, it would be called an/a ion with a negative charge
the second energy level of flourine (atomic number = 9) can receive one more electron
in an atom, the relationship of atomic number to the number of protons is similar to the relationship of atomic mass to the number of protons, electrons, and neutrons
O2 is an example of a/an diatomic bond
what determines the chemical properties of an atom? electrons
the atomic number is the number of: protons
the bond formed when elements gain or lose an electron is a/an ionic bond
the smallest units of matter are atoms
when one or more pairs of electrons is shared by two atoms, a ________ is formed covalent bond
a chemical _________ is a substance that consists entriely of atoms with the same atomic number element
electrons whirl around the center of the atom at high speed forming a(n) _____ electron cloud or electron shell
the chemical behavior of an atom is determined by the number and arrangement of electrons
ionic bonds are formed when one atom loses an electron and one atom gains an electron
a _______ occurs when very large paricles in a liquid settle and separate suspension
in a solution the substance that is being dissolved is called the solute
a formula that shows the simplest proportions of atoms is called the solute
Created by: locayal
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