The conclusion from Rutherford's alpha-scattering experiment is that
atoms are mostly empty space with a small nucleus
emissions from radioactive substances consist of three main components
there is nuclear pull on orbital electrons
electrons are deflected by both magnetic and electric fields
Correct answer is A
No explanation has been provided for this answer.
Iron
Sodium
Aluminium
Calcium
Correct answer is A
No explanation has been provided for this answer.
Y
Z
Y - Z
Z - Y
Correct answer is B
No explanation has been provided for this answer.
The oxide from electric power station is
carbon (IV) oxide
copper (ll) oxide
nitrogen (IV) oxide
sulphur (IV) oxide
Correct answer is C
Nitric oxide is an important component of the air pollution generated by automotive engines and thermal power-generating plants.
sulphur dioxide may also be produced in case of fuel containing sulphur, Nigeria crude is sulphur free,
The most common process in the extraction of metals from their ore is
catalysis
electrolysis
oxidation
reduction
Correct answer is D
No explanation has been provided for this answer.