Why does the earth not receive energy equally

Potassium has a 1 + charge, and oxygen has a 2 - charge. A Lewis dot diagram should contain two potassium atoms and one oxygen atom to show how these atoms form an ionic bond. True or false

Which are always the first waves of an earthquake to be detected

These two elements are most likely good conductors of heat and electricity and shiny when solid.

An electric bell is kept under a bell jar in which a vacuum has been created. Slowly air is introduced in to the jar. What will happen to the sound of the electric bell?

What is the correct name of the compound Pb (NO 3) 2? Question 4 options: lead (II) nitrate lead (IV) nitrate lead (II) nitrite lead nitrate

Which type of reaction occurs in the following? 2HgO (s) - - 2Hg (l) + O2 (g) 1. a decomposition reaction in which a metal is reduced 2. an acid-base neutralization reaction to produce oxygen gas a displacement 3.

Is pulverizing an aspirin a physical or chemical process

Explain two reasons why we can conclude that the rise of the water in the glass tube is due to root pressure and not transpiration or capillarity

Four type of molecular models

How many particles are in 1 mol of carbon? 1 mol of lithium? 1 mol of eggs? will 1 mol of each of these substances have the same mass?