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Which general trend is observed as the elements in Period 2 are considered from left to right?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
Which formula represents chromium(III) oxide?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
What is the mass of KCl produced when 24.51 grams of KClO3 reacts completely to produce 9.60 grams of O2?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
One mole of bromine gas, Br2, has a mass of
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
Which equation represents conservation of atoms?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
An oxide ion, O2-, has the same electron configuration as an atom of which noble gas?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
Which type of reaction does this equation represent?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
Which statement describes the charge and the radius of the magnesium ion formed when a magnesium atom loses two electrons?
159.8 g
The Mg ion is positive and has a radius smaller than the Mg atom.
neon
Cr2O3
3TiO2 + 4Al → 2Al2O3 + 3Ti
Electronegativity increases
decomposition
14.91 g
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