Sciences formative criterion A

Last updated over 5 years ago

14 Nsɛmmisa

Laabri

Sciences formative criterion A

Last updated over 5 years ago

14 Nsɛmmisa

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Protons and neutorns

Potons and electrons

Neutrons and electrons

All particles are equal

Asemmisa {{asɛmmisaAhyɛnsode}}

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

2,4,4

2,3,3

2,6

Asemmisa {{asɛmmisaAhyɛnsode}}

What kind of change is happening in melting ice

Chemcial change

Physical change

Endothermic

Exothermic

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Silver can replace mahgemsium in its compounds

Alumiunum can replace Silver in its compunds

Silver can replace both Magnesium and Aluminum

Magnesium cant replce any of them

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Positive ion

Negative ion

Non of them

Asemmisa {{asɛmmisaAhyɛnsode}}

What is an ion ?

Asemmisa {{asɛmmisaAhyɛnsode}}

What is a physical change ?

Asemmisa {{asɛmmisaAhyɛnsode}}

what is reactivity series ?

Asemmisa {{asɛmmisaAhyɛnsode}}

What is a chemcial reaction ?

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Why an atom is electrically neutral ?

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Answer the follwoing questiosn

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Answer the follwoing question

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Answer the follwoing question

Asemmisa {{asɛmmisaAhyɛnsode}}

14.

Answer the follwoing question

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Protons and neutorns

Potons and electrons

Neutrons and electrons

All particles are equal

Asemmisa {{asɛmmisaAhyɛnsode}}

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

2,4,4

2,3,3

2,6

Asemmisa {{asɛmmisaAhyɛnsode}}

What kind of change is happening in melting ice

Chemcial change

Physical change

Endothermic

Exothermic

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Silver can replace mahgemsium in its compounds

Alumiunum can replace Silver in its compunds

Silver can replace both Magnesium and Aluminum

Magnesium cant replce any of them

Asemmisa {{asɛmmisaAhyɛnsode}}

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

Positive ion

Negative ion

Non of them

Asemmisa {{asɛmmisaAhyɛnsode}}

What is an ion ?

Asemmisa {{asɛmmisaAhyɛnsode}}

What is a physical change ?

Asemmisa {{asɛmmisaAhyɛnsode}}

what is reactivity series ?

Asemmisa {{asɛmmisaAhyɛnsode}}

What is a chemcial reaction ?

Asemmisa {{asɛmmisaAhyɛnsode}}

10.

Why an atom is electrically neutral ?

Asemmisa {{asɛmmisaAhyɛnsode}}

11.

Answer the follwoing questiosn

Asemmisa {{asɛmmisaAhyɛnsode}}

12.

Answer the follwoing question

Asemmisa {{asɛmmisaAhyɛnsode}}

13.

Answer the follwoing question

Asemmisa {{asɛmmisaAhyɛnsode}}

14.