Answer:
Water particles have strong intermolecular forces.
Explanation:
Water molecules are affected by attraction and repulsion and that causes the water to have strong forces and intermolecular strength to be strong.
Answer:
578.04 °C
Explanation:
The temperature is given in Kelvin which has value = 304.89 K
Kelvin and Celsius are both units of the temperature which can be incontrovertible.
The conversion of T(K) to T( °C) is shown below:
T( °C) = T(K) - 273.15
Given that = T(K) = 304.89
So,
T = (304.89 + 273.15) °C = 578.04 °C
<u>The temperature in degrees Celsius is 578.04 °C . </u>
Actually, the
uncertainty point is when we have to estimate one place smaller than what the
graduated cylinder can accurately read. So in this case, the smallest that we
can accurately read is given by the minor marks of 0.2 mL. So if it is in
between two minor marks we can only estimate the number, therefore the
uncertainty is +/- 0.1ml.
Chemical tests show that it is an alkaline earth metal. (a) The family of alkaline earth metals lies in group II of the periodic table indicating that each member of this family has 2 valence electrons. This therefore implies that the new element must also have only 2 electrons in its outermost orbit.
Schrödinger found the quantum mechanical model of the atom after Bohr’s model.
It is better than Bohr’s model because you can use mathematical equations to find electrons certain position. Unlike Bohr’s which is just a “cloud” where the an electron could possibly be.