Everything Chem

6 molecules only the noble gases consist of

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 97 amu × 0.7553 + 36.97 amu × 0.2447 = 35.46 amu Chapter 1.5 Periodic Table (basic info) - Horizontal rows in the periodic table are called periods - The vertical columns are called groups - Elements in group 1 are called Alkali Metals - Elements in group 2 are called Alkaline Earth Metals - Elements in group 3- 12 are called Transition Metals - Elements in group 17 are called Halogens - Elements in group 18 are called Noble Gases (unreactive) Metals and Non- Metals: the diagonal line at B and ending at Po separates metals (left) and non- metals Metalloids: elements along the diagonal line (above), hard to classify Chapter 1.6 Molecules Only the noble gases consist of individual, nonreactive molecules. Molecules: are neutral particles, consisting of two or more atoms. The atoms are held together by strong forces called covalent bonds...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online