Me !
elements of the same period (horizontal row) behave similarly.
true
fa...
Me !
elements of the same period (horizontal row) behave similarly.
true
false
the elements of the periodic table are put in order of:
electrons
atomic mass
atomic number
neutrons
what is the charge of a magnesium ion?
2+
2-
3+
4+
which of the following pairs of atoms do not exhibit a covalent bond?
o and s
c and h
sr and f
f and h
the lewis structure of o2 has a double-bond.
true
false
the lewis structure of hcl has a double-bond.
true
false
Answers: 3
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Answers: 2
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According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons
Answers: 1
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This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 2
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