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An ion is formed when an atom gains or loses
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
Which of the following cannot be broken down by ordinary chemical means?
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
If an element is in Group VIIIA or 18, you know it
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
Which phrase best describes atoms?
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
Which element has 17 electrons, 19 neutrons, 17 protons
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
Looking at the periodic table of elements, non-metals are
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
If an element is in Period 4 on the periodic table, you know it has
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
What is the symbol for mercury and how many protons does it have?
electrons
element
4 electron orbitals
Hg, 80 protons
located to the right of the stair-step line
is a noble gas with 8 valence electrons
Chlorine
smallest basic units of matter
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