1a.

Potassium has an atomic number of 19 and a mass number of 39.What would result if an uncharged potassium atom lost oneelectron?

Select one:

a. The atomic number of the atom would remain 19, the massnumber would be reduced to 38, and the atom would be an anion.

b. The atomic number would be reduced to 18, the massnumber would remain 39, and the atom would be an anion with a +1charge.

c. The atomic number would remain 19, the mass number wouldremain 39, and the atom would be a cation with a +1 charge.

d. The atomic number would remain 19, the mass number wouldremain 39, and the atom would have no charge.

1b.

Which organelle often takes up much of the volume of a plantcell?

Select one:

a. lysosome

b. central vacuole

c. Golgi apparatus

d. chloroplast

1c.

In the formation of table salt (NaCl), sodium is said to be:

Select one:

a. Oxidized

b. Reduced

c. Neutral

d. Energized