Chemistry 1- Periodic Table

Question 1

increasing from left to right by

Answer 1

atomic number

Question 2

atomic number

Answer 2

= # of p+ and e-

Question 3

atomic mass

Answer 3

number of p+ and N

Question 4

Where are metals

Answer 4

left and under the stairs + Al

Question 5

Non -Metals

Answer 5

Right + above the stairs

Question 6

Metalloids

Answer 6

On the stairs

Question 7

organized

Answer 7

column = families= groupes= # valiance e-
rows= periods= # of energy levels

Question 8

Metals make up

Answer 8

around 80% of the ele

Question 9

metals are

Answer 9

• solid at RT except Hg
• individual atoms (NOT molecules)
• lose e- to become + ions

Question 10

Physical Properties of a metals

Answer 10

• Lustrous
  -Hard
  -Malleable(flattened/sheet)
  -Ductile(“Stretched” into wire)
  -High Melting Points
  -Conducts HE

Question 11

NONMetals

Answer 11

• can be liquids, gases or solids
• Can exist as molecules or individual atoms
  EX: PS I Have No Bright Or Clever Friends= molecule ele
• gain e- to become - ions

Question 12

Physical Properties of Non metals

Answer 12

• Dull in appearance
  -Friable (brittle)
  -Usally have low melting points
• Don’t conduct HE

Question 13

hydrogen

Answer 13

is clear + colourless, odourless, non-metallic, tasteless, extremely flammable

Question 14

CO2

Answer 14

C+C, non-flammable

Question 15

in an atom

Answer 15

p+=e- and p<=N

Question 16

Ions

Answer 16

• atoms that have lost or gained e-
• (-) do not = (+)

Question 17

Bohr Diagram

Answer 17

1) find p+ and n end e-
2) draw EL
3) move vailance e-

Question 18

Lewis dot diagram

Answer 18

1) place vailance e- around atom in NESW
2) draw lines to were they go