A water molecule (H2O) is an example of a covalent bond because…? The hydrogen gains an electron an the oxygen loses one.
They do not form a neutral group of atoms.
Electrons are shared between the hydrogen and oxygen
Hydrogen and oxygen are both negative ions.

1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i