Science Periodic Table

What is the 13th element of the periodic table

• Aluminium

• Silicon

• Magnesium

• None

Temporary hardness is due to​ (a)   of calcium and ​ magnesium​

Permanent hardness is due to chloride and ​​ (b)   of calcium and ​ magnesium

• sulphates
• bicarbonates

Match the following

Periodic tables elements

• Sodium

• SN

• Potassium

• K

• Tin

• AG

• Copper

• NA

• Silver

• CU

Label the following

the black spaces

a

b

c

Thallium

Mietnerium

Vanadium

Tags

NGSS.HS-PS1-1

Features of Sodium

• soft

• silvery white

• alkali

• non-reactive

Fill In the Blanks

Titanium is an example of __________metals

Reorder the following

According to their places in the periodic tables. small to big

• hydrogen

• helium

• lithium

• tin

• iodine

Nickel is the ​ (a)   element of the periodic table

• 28th
• 15th
• 21th

where should manganese be placed?

what does PD mean?

• Phosphorus

• Promethium

• Plutonium

• None