Year 9 stuff 🤮

Question 1

Define solvent

Answer 1

A liquid in which a substance is dissolved

Question 2

Define solute

Answer 2

A substance which has been dissolved

Question 3

Define solution

Answer 3

A solution is made when a substance dissolves into a liquid

Question 4

Define saturate solution

Answer 4

A saturates solution is one in which no more solid can dissolve in the liquid at a given temperature

Question 5

How are elements in a periodic table arranged

Answer 5

From left to right and top to bottom in order of atomic number
In groups and periods

Question 6

How do tou deduce the electronic configuration from the periodic table

Answer 6

Number of electrons in outermost shell is the group number
Total number of electrons in shell is atomic number
Number of circles is period number

Question 7

How can you identify an element as a metal or non metal

Answer 7

Metals are found on the left and middle of periodic table and non-metals are found on the right. The final metals before non metals are AL Ge Sb Po Ts