Page 7 maybe I just don't like even numbers...

Question 1

Who was Newlands and why is he on the test?

Answer 1

1864 he was a scientist who came up with the “law of octaves” elements divided into 7 groups. he was the first to recognise the periodicity of the elements

Question 2

What were two problems with Newlands?

Answer 2

Some elements clearly didn’t belong and there was no room for new elements

Question 3

Who was Mendeleev and why do we care?

Answer 3

1869 he fixed Newlands problems and also managed to predict the physical properties of some undiscovered elements

Question 4

What are the trends of metals in the PT?

Answer 4

Metals are more reactive towards the BOTTOM (BUTTS)

Question 5

What are the trends of non-metals in the PT?

Answer 5

Non-metals are more reactive towards the TOP

Question 6

What is group I?

Answer 6

Alkali metals • very reactive • more reactive towards BUTTS

Question 7

What is group II?

Answer 7

Alkaline earth metals

Question 8

What is group VII?

Answer 8

Halogens • very reactive • non-metals • reactivity decreases down group along with electronegativity

Question 9

What kinds of ions do metals form?

Answer 9

CATIONS XD