Answer to Question #228083 in General Chemistry for Jen

Question

Isotopes: This contains isotopes. Remember that an isotope is atoms of the same element that have different numbers of neutrons. Fill in the missing blanks.

Isotope

Name

Isotope Symbol

Atomic Number

Mass Number

# of Protons

# of Neutrons

# of Electrons

11.calcium-40

12.uranium-238

13.potassium-40

14.Identify the number of different elements each of the following molecules contains.

a.   H2O has ? elements

b.   HCl has ? elements

c.    NaOH has ? elements

d.   C6H10O2N4 has ? elements

15. Identify the total number of atoms in each of the following:

a.   CO has ? atoms

b.   Co has ? atoms

c.    H2O has ? atoms

d.   KBr has ? atoms

e.   H2SO4 has ? atoms

f.     H2 has ? atoms

g.   2H has ? atoms

Answer 1

A molecule of carbon monoxide (CO) contains one carbon atom and one oxygen atom.