Chapter 2

Question 1

What is an Atom?

Answer 1

structural unit of an element , its the smallest form that retains the chemical and physical properties of that element

Question 2

What is the charge of electrons?

Answer 2

Negatively charged

Question 3

What is the charge of proton?

Answer 3

Positively charged

Question 4

What is the charge of a neutron?

Answer 4

neutral charge = NO charge

Question 5

How much volume and mass does electrons have?

Answer 5

All volume & hardly any mass.

Question 6

how much volume and mass does protons have?

Answer 6

Mostly mass & hardly any volume

Question 7

What is the charge of the nucleus?

Answer 7

positively charged

Question 8

what is an Electron?

Answer 8

A cloud of negative charge that surrounds the nucleus

Far away from the nucleus

Question 9

Change of protons

Answer 9

change of identity of atom/element

Question 10

change of electrons

Answer 10

defines # of ions

Question 11

change number of neutrons

Answer 11

defines the isotope of the atom and element

Question 12

What are ions?

Answer 12

atoms that have a charge

Question 13

What are isotopes

Answer 13

Atoms of an element containing the same number of protons, but different number of neutrons.