Oxygen atom gains two electrons to become an oxygen ion. What is its electric charge?

The reactive properties or chemical behavior of an atom mostly depend on the number of

There is 30g of ethanol dissolved in 63g of water. The molar mass of ethanol is 46.07g/mol. How many moles of water are there?

Gracie squeezed some grapes and kept the juice in a vessel for 5 days at room temperature. On the fifth day she found that the juice tasted sour and appeared frothy. What caused this change?

5) Which balanced equation represents a spontaneous radioactive decay? A) B) C) D)

Molecular bonding cannot occur without ... electrons, sunlight, protons, or neutrons?

Name the compound CH3CH2CH2C (CH3) 2CH2CH3

What is the primary source of energy that generates most ocean waves

Six students were asked to perform an experiment to see how the mass of a pendulum affected its period. They were given supplies and asked to design an experiment to test the impact that the mass of the bob had on period.

How would the experiment have compared if twice the mass of zinc were used

Identify the major ionic species present in an aqueous solution of C12H22O11 (sucrose).