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WorksheetsUnit 2 Remediation
Total questions: 14
Worksheet time: 30mins
A sodium ion has a charge of
-1
-2
+1
+2
In all covalent bonds, valence electrons are
lost
gained
shared equally
shared
A compound that contains one nitrogen atom and two oxygen atoms is named
oxygen nitride
dioxygen nitride
nitrogen dioxide
nitrogen monoxide
What is the chemical formula for the compound containing one nitrogen atom and two oxygen atoms?
O2N
N2O
NO
NO2
The force of attraction that holds together atoms that share electrons is a(n) (a) bond.
Any compound consisting of two or more nonmetals is a(n) (a) compound
Chemical bonds always involve
ions
protons
metals
electrons
The correct name for the molecular formula CO is
carbon monoxide
carbon dioxide
calcium oxide
calcium dioxide
Which of the following pair of elements is most likely to form an ionic compound?
Magnesium and fluorine
Nitrogen and sulfur
Oxygen and chlorine
Sodium and aluminum
H2 + 4N2 → NH3
H2 + 3N2 → 2NH3
3H2 + N2 → 2NH3
2H2 + 2N2 → 2NH3
BaS + PtF2 → BaF2 + PtS
4 BaS + 2 PtF2 → BaF2 + PtS
BaS + 2 PtF2→ 2 BaF2 + 2 PtS
BaS + 3 PtF2 → BaF2 + 2 PtS
2 K + Cl2 → 2 KCl
K + Cl2 →KCl
NaF + 2 Br2 →NaBr + 2 F2
2 NaF + 3 Br2 → NaBr + 2 F2
2 NaF + Br2 → 2 NaBr + F2
