Peridoic Table : Properties Of Groups And Periods

Question 1

How is the periodic table organized?

Answer 1

In increasing atomic number

Question 2

What is a period

Answer 2

Horizontal row

Question 3

How many periods are there in periodic table?

Answer 3

7

Question 4

Vertical columns in periodic table is called what?

Answer 4

Group or families

Question 5

Groups help predict the _______ of an element

Answer 5

Property

Question 6

Group 1 on the period table excluding hydrogen are called?

Li
Na
K
Rb
Cs
Fr

Answer 6

Alkali metals

Question 7

What are some of the characteristics of alkali metals?

Answer 7

They’re soft
and silvery
and react violently with water
to form a alkaline or basic solution

Question 8

What are alkaline earth metals

Be
Mg
Ca
Sr
Ba
Ra

Answer 8

They are shiny
Silvery
And white in color

Question 9

Halogens in group 7
F
Cl
Br
I-iodine
As-astatine

Answer 9

Are very reactive and poisonous

In bleaches and disinfectants

Question 10

Noble gases
He
Ne
Ar
Kr
Xe
Rn

Answer 10

Colorless
Odorless
And extremely interactive

Exp use is gas in light bulb

Question 11

Metals

Answer 11

Shiny
Good conductors of heat and electricity
Malleable( dent)
Ductile (bend)

Question 12

Non metals

Answer 12

Brittle in there solid form
Dull
Poor conductors of heat and electricity
Lower melting point
And lower boiling point

Question 13

Metalloids are

Answer 13

B-boran
Si- silicon
Ge- germanium
As- arsenic
Sb- antimony
Te- tellurium