Consider the following chemical species: N2, SO42-, NH3, K1+, SO2, Fe How many o

Question

Consider the following chemical species:
N2, SO42-, NH3, K1+, SO2, Fe
How many of these are atoms, molecules and ions?

Select one:

a. There are 1 atom, 4 molecules and 1 ion

b. There are 2 atoms, 3 molecules and 1 ion

c. There are 1 atom, 3 molecules and 2 ions

d. There are 3 atoms and 3 molecules

e. There are 2 atoms, 2 molecules and 2 ions

f. There are 3 atoms and 3 ions

Consider the following materials:
SO3, CH4, KCl, ClF3, FeBr3, HBr
How many are covalent compounds, and how many are ionic compounds?

Select one:

a. There are 3 covalent compounds and 3 ionic compounds

b. There are 1 covalent compound and 5 ionic compounds

c. There are 2 covalent compounds and 4 ionic compounds

d. They are all ionic compounds

e. They are all covalent compounds

f. There are 5 covalent compounds and 1 ionic compound

g. There are 4 covalent compounds and 2 ionic compounds

Consider the following chemical species:
Ne, H2O, CH2Cl2, Cu, O2, P4
How many are elements and compounds?

Select one:

a. There are 4 elements and 2 compounds

b. There are 3 elements and 3 compounds

c. There are 2 elements and 4 compounds

d. There are 5 elements and 1 compound

e. There are 1 element and 5 compounds

Select the correct statement about the compound CH4:

Select one:

a. One CH4 atom is made up of one carbon atom and four hydrogen molecules

b. One CH4 molecule is made up of one carbon atom and four hydrogen atoms

c. One CH4 molecule is made up of one carbon atom and four hydrogen molecules

d. One CH4 molecule is made up of one carbon molecule and four hydrogen molecules

e. One CH4 atom is made up of one carbon molecule and four hydrogen molecules

f. One CH4 atom is made up of one carbon atom and four hydrogen atoms

n the following questions, make sure the names are spelled correctly. Incorrectly spelled names will be marked incorrect.

What is the name of the compound formed from the reaction of calcium with fluorine?

Explanation / Answer

1)

N2 is molecule

SO42- is ion

NH3 is molecule

K1+ is ion

SO2 is molecule

Fe is atom

Answer: c. There are 1 atom, 3 molecules and 2 ions

Only 1 question at a time please

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