In the physical properties, it is mentioned that the element has 4 valence electrons. The elements in the periodic table are arranged such that, the number of valence electrons present in the neutral atoms belonging to a particular group is equal to the group number.
Thus, the unidentified element can be best classified as a nonmetal in period 4
Ans C)
Answer:
Condensation
Explanation:
During condensation the water vapor in the air converts to liquid, this forms clouds.
You can also refer to the attached image for more validation.
Hello there.
<span>Now we add 0.15 mol of naoh to 1.00 liter of the solution that was given in part 1. what is the ph of the solution after the naoh addition? answer in units of ph.
</span><span>not sodium nitrate</span>
The proton slightly beats out the neutron in mass, the electron weighs a lot less, the quark weighs an infinitesimal amount, and the neutrino has no mass
Answer:
cornea - Iris - lens - retina.( From outside to inside)
Explanation:
The correct order from outside to inside is cornea - Iris - lens - retina.
The cornea is the front part of the eye. It helps the eye to focus on light. It is transparent.
The Iris is located at the back of the cornea.The quantity of light that falls on the eye is determined by the Iris. The Iris is colored.
Lens allows light to be focused on the retina. It is behind the Iris.
The retina is the part of the eye that senses light. The retina sends the light signal it senses to the brain for interpretation. It is the innermost if all the options given.
