Chemistry Knowledge
- Publicidade
Oil is a water-soluble material.
Incorrect
Right
Publicidade
What is the name given to the change from the gaseous state to the liquid state?
Sublimation
Condensation
Solidification
Fusion
According to Rutherford the structure of atoms presents:
A nucleus with a positive and negative charge (protons and electrons).
A positively charged nucleus (protons)
A negatively charged nucleus (electrons)
Publicidade
According to Dalton the atoms were:
Divisible and Indestructible.
Indivisible and Indestructible.
Indivisible and Destructible.
When two or more atoms join they form:
Molecules
Cells
Mass
Publicidade
What is the name of the transformation from solid water to liquid?
Fusion
Condensation
Vaporization
Solidification
What is matter like water or your body's skin made of?
Atom
Hydrogen
Carbon
Oxygen
Publicidade
The water molecule is composed of:
one oxygen atom and two nitrogen atoms.
one hydrogen atom and two carbon atoms.
one oxygen atom and two hydrogen atoms.
One carbon atom and two oxygen atoms.
Ions that have a positive charge are called.
Anions
Cations
Neutrons
Publicidade
According to Dalton, the atom was a sphere:
composite, massive and destructible
divisible, transformable and composite
none of the above
massive, indivisible, indestructible and untransformable
massive, transformable and encrusted with electrons
Publicidade
ComentáriosÚltima atualização: -
Clique aqui e seja o primeiro a comentar!