Answer:
its atomic number
Explanation:
which is defined as the number of units of positive charge (protons) in the nucleus. For example, if an atom has a Z of 6, it is carbon, while a Z of 92 corresponds to uranium.
Answer:
Honey is an homogeneous mixture
Salsa is an heterogeneous mixture
Explanation:
Honey is a sweet uniformly colored liquid that can be of a dark variety or of clear golden color. Honey is made in nature by bees from flower nectar and is used as a food additive or sweetener
Honey is a homogeneous mixture because the concentration of the components of honey are uniformly distributed throughout the mixture. Every portion has the same concentration of components
Salsa is a sauce made by mixing chopped tomatoes, onions, chilies, lime juice and seasoning and therefore consists of both solid and liquid components mixed in varying proportion such that part will have continuous that comes in between different types of solid and no two parts have exactly the same composition
Therefore, salsa is an heterogenous liquid.
Answer:
The term dielectric makes reference to materials that are insulators (the charges in the material does not flow freely and for this reason an insulator material cannot conduce electricity). BUT if we applied this material in an electric field they can be polarized.
Dielectric Constant: It is also defined as a relative permittivity and it is the amount of charge required to produce one unit of electric flux( electric field in a surface) in a given medium.
it is typically denoted as Epsilon (ε)
and its formula is: ε = ε(ω) /ε(0)
where:
ε(ω) = the frequency-dependent permittivity of the material
ε(0) = the dielectric constant value in vacuum
Dielectric Constant values:
- For vacuum is always 1
- for water depending on the temperature can be 87.9 at 0º C, 80.2 at 20º C and 55.5 at 100º C.
Answer:
2.48 g
Explanation:
From the question given above, the following data were obtained:
Number of atoms = 2.53×10³⁴ atoms
Mass of Ni =?
From Avogadro's hypothesis,
we understood that 1 mole of any substance contains 6.02×10²³ atoms.
Therefore, 1 mole of Ni contains 6.02×10²³ atoms.
Recall:
1 mole Ni = 59 g
Therefore, 59 g of Ni contains 6.02×10²³ atoms.
Finally, we shall determine the mass of 2.53×10³⁴ atoms of Ni. This can be obtained as follow:
6.02×10²³ atoms = 59 g
Therefore,
2.53×10³⁴ = 2.53×10³⁴ × 59 / 6.02×10²³
2.53×10³⁴ atoms = 2.48 g
Thus, the mass of 2.53×10³⁴ atoms of Ni is 2.48 g.
