periodic table

Question 1

where do u find nucleons in an atom

Answer 1

nucleus of an atom

Question 2

state what the atomic number of an atom signifies

Answer 2

number of protons in an atoms nucelus

Question 3

what makes up the mass number

Answer 3

number of protons and neutrons

Question 4

difference between atom and an ion

Answer 4

atoms are neutral as they contain the same number of protons and electrons.

Ions have an electrical charge because they have imbalance of protons and electrons

Question 5

define what an isotopse is

Answer 5

an isotope are atoms with the same number of protons but different number of neutrons

Question 6

what does the period number tell you about electron shells in an atom

Answer 6

a period is a row in the table and it tells you the number of shells in the atom/element

Question 7

what does the group number tell you

Answer 7

a group in the periodic table is a column representin elements with the same number of valance electrons

Question 8

properties of metal

Answer 8

-good conductors of electricity
- good conductors of heat
- are malleable
-are ductile
are lustrous or reflective

Question 9

properties of non metals

Answer 9

• poor thermal conductors
• poor electrical conductors
• brittle solids
• dull
  -gain electrons easily

Question 10

what is a metalloids

Answer 10

elements that show properties of both metals and non metals, and is used to make electronic components.