Sciences formative criterion A

Last updated almost 5 years ago
14 questions
1

An atom has equal number of ..........

1

What is the electronic distribution of Oxygen ,atomic number is 8

1

What kind of change is happening in melting ice

1

Elements are arranged as follows in the reactivity series Magnesium ,Aluminum ,Silver

1

Sulphur is an elemntent that has atomic number of 16 , Which ion will it form

1

What is an ion ?

1

What is a physical change ?

1

what is reactivity series ?

1

What is a chemcial reaction ?

1

Why an atom is electrically neutral ?

1

Answer the follwoing questiosn

1

Answer the follwoing question

1

Answer the follwoing question

1

Answer the follwoing question