A newly discovered element named cameroonium has the symbol Cm. What is oxidation number of cameroonium in the acid H3CMO3? O a. 2 O b. 6 O c. 4 O d. 1 О е. 3 O f. 5 A newly discovered element called mexicoum has the symbol Mx. Mexicoum is found in the following anions: Mx" mexicide MxO3 mexicite MxO4 mexicate What is the formula of mexicous acid? О а. НЗМх O b. H3MXO4 О с. НМхОд O d. HMXO3 О е. НаМхОд O f. HMx O g. H2MXO3

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A newly discovered element named cameroonium has the symbol Cm. What
is oxidation number of cameroonium in the acid H3CMO3?
О а. 2
O b. 6
О с. 4
O d. 1
O e. 3
O f. 5
A newly discovered element called mexicoum has the symbol Mx. Mexicoum
is found in the following anions:
Mx
mexicide
MxO3 mexicite
MxO4 mexicate
What is the formula of mexicous acid?
О а. НЗМх
O b. H3M×O4
О с. НМхОд
O d. HM×O3
O e. H2M×O4
O f. HMx
O g. H2M×O3
Transcribed Image Text:A newly discovered element named cameroonium has the symbol Cm. What is oxidation number of cameroonium in the acid H3CMO3? О а. 2 O b. 6 О с. 4 O d. 1 O e. 3 O f. 5 A newly discovered element called mexicoum has the symbol Mx. Mexicoum is found in the following anions: Mx mexicide MxO3 mexicite MxO4 mexicate What is the formula of mexicous acid? О а. НЗМх O b. H3M×O4 О с. НМхОд O d. HM×O3 O e. H2M×O4 O f. HMx O g. H2M×O3
A newly discovered element named brazilium has the symbol Bz. Brazilium
can have charges of 2+ or 3+ when it is an ion.
Aqueous brazilium (III) nitrate is mixed with aqueous ammonium chloride to
produce a precipitate of brazilium (III) chloride and aqueous ammonium
nitrate.
1) Write a balanced chemical equation for the above reaction on the paper
showing your work. Include phases. You will submit the balanced equation
with the rest of your work at the end of the exam.
2) Which of the following shows the formula for the soluble product with its
coefficient from the balance equation? Your submitted equation must suppo-
the answer you select.
O a. NH¼NO3
O b. 3NH4NO3
O c. 6NH4NO3
d. 2NH4NO3
O e. BzCl3
A newly discovered element named egyptium has the symbol Et. Egyptium
carbonate is insoluble in water.
The following molecular equation is unbalanced.
Et(C2H3O2)2 (aq) +
Na2CO3 (aq) --> EtCO3 (s) + NaC2H3O2 (aq)
On the paper you will submit with your work do the following:
1) Balance the molecular equation above.
2) Write the complete ionic equation.
3) Write the net ionic equation.
4) Which of the following is the anion and its coefficient in your net ionic
equation?
O a. Et2+
O b. C2H3O2"
Transcribed Image Text:A newly discovered element named brazilium has the symbol Bz. Brazilium can have charges of 2+ or 3+ when it is an ion. Aqueous brazilium (III) nitrate is mixed with aqueous ammonium chloride to produce a precipitate of brazilium (III) chloride and aqueous ammonium nitrate. 1) Write a balanced chemical equation for the above reaction on the paper showing your work. Include phases. You will submit the balanced equation with the rest of your work at the end of the exam. 2) Which of the following shows the formula for the soluble product with its coefficient from the balance equation? Your submitted equation must suppo- the answer you select. O a. NH¼NO3 O b. 3NH4NO3 O c. 6NH4NO3 d. 2NH4NO3 O e. BzCl3 A newly discovered element named egyptium has the symbol Et. Egyptium carbonate is insoluble in water. The following molecular equation is unbalanced. Et(C2H3O2)2 (aq) + Na2CO3 (aq) --> EtCO3 (s) + NaC2H3O2 (aq) On the paper you will submit with your work do the following: 1) Balance the molecular equation above. 2) Write the complete ionic equation. 3) Write the net ionic equation. 4) Which of the following is the anion and its coefficient in your net ionic equation? O a. Et2+ O b. C2H3O2"
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