Periodic Table

Question 1

Isotope

Answer 1

An element with a different number of neutrons than protons (neutrons are always the same)

Question 2

Radioisotope

Answer 2

Isotopes which are radioactive

Possess an unstable nucleus that emits energy in the form of exotic subatomic particles

Question 3

Standard amomic notation

Answer 3

Z
   X
A
Z is mass
X is element symbol
A is atomic number
Charge is dictated using square brackets

Question 4

Periodic Table structure

Answer 4

Rows called periods

Columns called families