ELEMENTS, COMPOUNDS AND MIXTURES

Question 1

ELEMENTS CONSIST OF…

Answer 1

ONE TYPEOF ATOM

Question 2

QUITE A LOT OF EVERYDAY SUBSTANCES ARE LEMENTS LIKE:

Answer 2

COPPER, ALUMINIUM, IRON, OXYGEN AND NITROGEN

Question 3

WHAT IS A COMPOUND

Answer 3

A SUBSTANCE THAT IS MADE OF TWO OR MORE DIFFERENT ELEMENTS WHICH ARE CHEMICALLY JOINED (BONDED) TOGETHER

Question 4

FOR EXAMPLE CARBON DIOXIDE IS A COMPOUND FORMED FROM…

Answer 4

A CHEMICAL REACTION, ONE CARBON ATOM REACTS WITH TWO OXYGEN ATOMS TO FORM A MOLECULE OF CARBON DIOXIDE, WITH THE FORMULA CO2

Question 5

MIXTURES ARE EASILY…

Answer 5

SEPARATED

Question 6

IN A MIXTURE THERES NO (…) BETWEEN DIFFERENT (…)

Answer 6

CHEMICAL BOND BETWEEN THE DIFFERENT PARTS OF A MIXTURE

Question 7

THE PARTS OF A MIXTURE CAN BE SEPARATED OUT BY PHYSICAL METHODS SUCH AS…

Answer 7

DISTILLATION

Question 8

THE PROPORTIES OF A MIXTURE ARE JUST A MIXTURE OF THE PPROPORTIES OF THE SEPARATE PARTS FOR EX: A MIXTURE OF IRON POWDER AND SULFUR POWDER WILL SHOW THE PROPOERTIES OF…

Answer 8

BOTH IRON AND SULFUR

Question 9

WHAT WILL A MIXTURE OF IRON POWDER AND FULFUR POWDER CONTAIN

Answer 9

GREY MAGNETIC BITS OF IRON AND BRIGHT YELLOW BITS OF SULFUR

Question 10

A MIXTURE ISNT A PURE (…)

Answer 10

SUBSTANCE

Question 11

WHEN IS A SUBSTANCE CLEAR

Answer 11

WHEN IT IS COMPLETELY. MADE UP OF A SINGLE ELEMENT OR COMPOUND

Question 12

EVERY PURE SUBSTANCE HAVE A SPECIFIC (…)

Answer 12

SHARP MELTING POINT AND BOILLING POINT
`EXAMPLE; PURE ICE MELTS AT 0C° AND PURE WATER AT 100C°

Question 13

WHEN A MIXTURE IS NOT PURE

Answer 13

IT WILL MELT OR BOIL GRADUALLY OVER A RANGO OF TEMPERATURE