The chemical symbol for the element calcium is Ca what would be the symbol representing the calcium atoms that has lost atoms that have lost two electrons

Which temperature is required for the cell potential to be the standard cell potential?

Why do we experience the changing of the seasons on earth

a chemical bond is considered polar when the value of the electronegativity difference falls between__and__; nonpolar when the value is less than__.

One afternoon, Anne leaves her house and walks 5 blocks north to the post office. Then she walks 2 blocks north to the bank. Finally, she walka 3 blocks south to the coffee shop. Where is the coffee shop relative to her house? A.

What is the net ionic equation for AgNO3 (aq) + K2SO3 (aq) ?

What mechanical waves needs a medium to travel through? A. all mechanical waves need a medium to travel through B. surface waves only C. transverse and longitudinal waves only D. longitudinal and surface waves only

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

A minerals luster is produced by its ability to transmit light. Opaque minerals always have a metallic luster because they do not transmit any light. True False

The elements selenium and oxygen are both poor electrical conductors in which section of the periodic table are they found

What is the mole ratio of NaOH to Al (OH) 3