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Group 17 on the Periodic Table of the Elements
alkaline earth metals
This group of elements are all gases which are fairly unreactive. The gases are used in lighted signs.
This family is all nonmetal elements that are very chemically reactive. They are found in the rocks of Earth's crust and in sea water, and in nature, they are always found combined with other elements (mainly with metals). In this family are two gases, a liquid, and a solids.
When should safety goggles be worn?
whenever you want to feel beautiful
when you feel like it
when chemicals could splash into your eyes OR when using glassware
when you don't have regular glasses or contacts to wear
Select the statements that are a part of Dalton's atomic theory.
All atoms of a given element have the same mass and other properties that distinguish them from other elements.
In chemical reactions, atoms are combined, separated, or rearranged.
Atoms are made up of three subatomic particles.
When an atom bonds, its electrons are given away or shared with another atom OR it gets electrons from another atom.