Matter

Question 1

Define a pure substance

Answer 1

1 or more elements chemically combined

Question 2

What is a mixture?

Answer 2

All components retain their own properties - seperate by physical means
Solution = see through it
Colloid = small particles of one substance are distributed evenly throughout another substance
eg. air, milk, water, blood

Question 3

What is an element

Answer 3

1 type of atom, found on the periodic table
eg. O, Fe, Mg, K, H

Question 4

What is a compound

Answer 4

2 or more elements chemically combine.
eg. H2O, NaCl, C6H12O6

Question 5

non metals

Answer 5

on the right of the periodic table
eg. B, C, N, F, S, Cl, I

Question 6

metals

Answer 6

left of periodic table
Shiny and silvery
ductile and malleable
conduct heat and electricity