1) 1.9g MgY2 is dissolved in 100cm^3 of water to produce a solution with the molarity of 0.2 moldm^-3. What is the relative atomic mass of Y? [Relative atomic mass : Mg =24]​

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

One does not belong why? ice, gold ,wood ,diamond and table salt