Question

for each row in the table below, decide whether the pair of elements will form a molecular or ionic compound. if they will, then enter the chemical formula of the compound. if the elements will form more than one compound, enter the compound with the fewest total number of atoms. you may assume all chemical bonds are single bonds, not double or triple bonds. element #1 element #2 compound formed? chemical formula hydrogen chlorine ionic molecular neither nitrogen hydrogen ionic molecular neither calcium chlorine ionic molecular neither

Explanation:

Step1: Determine compound type for hydrogen - chlorine

Non - metals form molecular compounds. Hydrogen and chlorine are non - metals.
Molecular

Step2: Write chemical formula for hydrogen - chlorine

They form hydrogen chloride with formula HCl.
HCl

Step3: Determine compound type for nitrogen - hydrogen

Non - metals form molecular compounds. Nitrogen and hydrogen are non - metals.
Molecular

Step4: Write chemical formula for nitrogen - hydrogen

They form ammonia with formula NH₃.
NH₃

Step5: Determine compound type for calcium - chlorine

A metal (calcium) and a non - metal (chlorine) form an ionic compound.
Ionic

Step6: Write chemical formula for calcium - chlorine

Calcium has a + 2 charge (Ca²⁺) and chlorine has a - 1 charge (Cl⁻). To balance the charges, the formula is CaCl₂.
CaCl₂

Answer:

element #1	element #2	compound formed?	chemical formula
nitrogen	hydrogen	molecular	NH₃
calcium	chlorine	ionic	CaCl₂