Choose the selections that are true for the following figure:
Choose the selections that are true for the following figure:
Categorize the type of bond formed between the pair of elements.
nitrogen and hydrogen
lithium and chlorine
bromine and barium
calcium and antimony
Ionic
Covalent
Metallic
Categorize each of the following elements as to which type of ion they would form.
lead
fluorine
aluminum
silver
cation
anion
Match the element with their correct number of valence electrons.
| Přetahovatelná položka | arrow_right_alt | Odpovídající položka |
|---|---|---|
nitrogen | arrow_right_alt | 8 |
krypton | arrow_right_alt | 2 |
gallium | arrow_right_alt | 6 |
calcium | arrow_right_alt | 3 |
sulfur | arrow_right_alt | 5 |
Write the name for the following chemical compound: Co(NO3)2.
Write the name for the following chemical compound: (NH4)F
Write the name for the following chemical compound: Al2(Cr2O7)3
Write the name for the following chemical compound: CO
Write the name for the following chemical compound: HBr
Write the name for the following chemical compound: CCl4
Write the name for the following chemical compound: HC2H3O2
Write the name for the following chemical compound: CS2
Write the name for the following chemical compound: BaSO4
Write the name for the following chemical compound: Al(NO3)3
Write the chemical formula for the following chemical compound: sodium arsenite
Write the chemical formula for the following chemical compound: lithium permanganate
Write the chemical formula for the following chemical compound: diphosphorus tetrafluoride
Write the chemical formula for the following chemical compound: magnesium phospohite
Write the chemical formula for the following chemical compound: beryllium sulfide
Write the chemical formula for the following chemical compound: carbon tetrabromide
Write the chemical formula for the following chemical compound: Hydrofluoric acid
Write the chemical formula for the following chemical compound: cuprous chloride
Write the chemical formula for the following chemical compound: phosphorous acid
Write the chemical formula for the following chemical compound: calcium nitrate
| Přetahovatelná položka | arrow_right_alt | Odpovídající položka |
|---|---|---|
polar covalent bond | arrow_right_alt | type of bond formed from a transfer of electrons |
ionic | arrow_right_alt | covalent bonds are formed between which two types of elements |
nonmetals | arrow_right_alt | intermolecular force found between hydrogen and very electronegative element |
cation | arrow_right_alt | ion formed from a gain of electrons |
hydrate | arrow_right_alt | ion formed from the loss of electrons |
valence electrons | arrow_right_alt | a term for a compound with water physically attached to it |
hydrogen bond | arrow_right_alt | intermolecular force found between polar molecules only |
anion | arrow_right_alt | intermolecular force that results from the constant motion of electrons that creates an instantaneous dipole |
dipole-dipole | arrow_right_alt | electrons on the last main energy level |
London dispersion forces | arrow_right_alt | type of bond that shares electrons and produces and uneven distribution of charge. |
Choose the selections that are true for the following figure:
Choose the selections that are true for the following figure:
Choose the selections that are true for the following figure:
How many moles are there in 250.2 g of phosphoric acid? Remember significant figures and include a unit.
What is the mass of 3.89 moles of carbon tetrafluoride? Remember significant figures and include a unit.
What is the mass of 8.113 moles of calcium chlorate? Remember significant figures and include a unit.
How many moles are there in 417g of cupric bromide? Remember significant figures and include a unit.
Determine the percent of oxygen in ammonium nitrate. Round to THREE significant figures.
Determine the percent of sodium in sodium permanganate. Round to THREE significant figures.
Determine the percent of nitrogen in trinitrogen hexoxide. Round to THREE significant figures.
The percent composition of an unknown substance is 71.84% carbon, 10.21% hydrogen, 8.38% nitrogen and 9.57% oxygen. What is the empirical formula?
Determine the empirical formula of a compound composed of 18.24 g carbon, 0.51 g hydrogen, and 19.20 g fluorine.
A compound with a molar mass of 544.0 g/mol is made up of 26.5 g carbon, 2.22 g hydrogen, and 70.6 g oxygen. What is the molecular formula?
A compound is 19.3% sodium, 26.9% sulfur, and 53.8% oxygen. Its formula mass is 238 g/mol. What is its molecular formula?