Answer:
A Family Portrait
That element is NOT in the family. When we told you about families, we said that they were groups of elements that react in similar ways. Hydrogen is a very special element of the periodic table and doesn't belong to any family. While hydrogen sits in Group I, it is NOT an alkali metal.
Answer:
6 sig figs
Explanation:
sig figs are numbers that are more than 0, but in this case, after the decimal, the 0's at the end count as sig figs as well
Sodium(Na) and Chlorine(Cl)
Answer:
In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.
There are two<span> types of </span>comet tails<span>: dust and gas ion. A dust </span>tail<span> contains small, solid particles that are about the same size found in cigarette smoke. This </span>tail<span> forms because sunlight pushes on these small particles, gently shoving them away from the </span>comet's<span> nucleus.</span>
