The Historical Development of Atomic Theory Answers

Use the drop-down menus to describe the charges of the subatomic particles.Protons have a charge.

have a 0 charge.

Electrons have a charge.

In an electrically neutral atom, the number of

E

F

Type the letter that represents the correct location for each particle type below.The neutron is found at .

The proton is found at .

Using the drop-down menus, complete the table to summarize the properties of the different subatomic particles. A

C

A =

Atoms of which element contain 25 protons?

Which element has an atomic number of 16?

Make a He atom with a mass of 4. How many protons did you put in the nucleus?

Using the periodic table, complete the table to describe each atom. Type in your answers.A

Use the periodic table to determine which of the following could be an isotope of bromine (Br). Check all that apply.

Calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 amu) and 1.100% are C-13 atoms (13.003354 amu). Type in your answer using 2 decimal places.MA for carbon = amu

The proton is found at .

B

B =