Answer:
Heavy rainfall can lead to numerous hazards, for example: flooding, including risk to human life, damage to buildings and infrastructure, and loss of crops and livestock. landslides, which can threaten human life, disrupt transport and communications, and cause damage to buildings and infrastructure.
Answer:
The answer is 5 mol
Explanation:
Number Of Moles = Mass Of Substance ÷ Mass Of One Mole
Mass of NaOH = Molar Mass of Sodium + Oxygen + Hydrogen
23 + 16 + 1
40 g/mol
Number of Mole = 200/40 = 5 mol
Thus, The number of Moles in 200 grams of Sodium hydroxide is 5 mol
<u>-TheUnknownScientist 72</u>
Answer:
Octet Rule is defined as the chemical rule in which atoms tend to form bonds in such a way that it completes its valence shell or tend to achieve the configuration of a noble gas.
Explanation:
The lithium is chemical element, which has atomic number 3. It has one valence electron in its outermost shell, therefore, it will require 7 more electrons to complete its octet.
The element nitrogen has the atomic number 7, such that it has 5 valence electrons in its outer most shell. Therefore, it will require 3 more electrons to complete its octet.
The noble gas Argon have complete octet, such that it does not require any electrons to complete its octet. the gas is inert and non-reactive.
The chemical element Boron has atomic number 5, such that it has three electrons in its outer most shell. Therefore, it will require 5 more electrons to complete its octet.
Hence, the correct option is Nitrogen.
Answer : As I understand this is question of matching the correct pairs.
So here are the correct pairs.
1) The attraction
between molecules at the surface of a liquid column
---->Surface tension
Surface tension is a phenomenon observed at the <span>surface film of a liquid which is usually caused by the attraction of the particles on the surface layer by the bulk moiety of the liquid, and which tends to minimize its surface area.</span>
2) The energy of
motion
----> Kinetic energy
Kinetic energy is the energy which is possessed by an object due to motion.
3) The movement
of liquids through the spaces of materials
----> Capillary action
Capillary action is defined as<span> the ability of any liquid to flow through the narrow spaces without any of the assistance, or even in opposition to, external force like gravitational force.</span>
4) The overall
movement of suspended or dissolved particles resulting from the random movements
of individual particles
----> Diffusion
Diffusion in liquids can be defined as the random movement of particles which are dissolved or are in suspended state in liquid.
5) Attraction of
one particle in a material for another
----> Cohesion
Cohesion is defined as the attraction between two different particles in a state of matter
6) The
attraction between unlike substances
----> Adhesion
Adhesion is a property of attraction between two unlike substances.
7) A measure oof
the resistance of a liquid to flow
----> Viscosity
Viscosity is the term used to define as the resistivity of liquid to flow.
