'Courtesy christy johannesson' presentation slideshows

Stoichiometry

1.18k views • 76 slides

Stoichiometry

1.06k views • 66 slides

Properties of Matter

700 views • 55 slides

Laboratory Safety Rules

Laboratory Safety Rules.

514 views • 40 slides

Virtually everything that is, is made up of atoms.

Virtually everything that is, is made up of atoms. Atomic Structure. Chapter 12, page 361 Balloon and sweeter animation. Sub-Particles in the Atom. Each element is chemically unique. To understand why they are unique,

497 views • 38 slides

Nuclear

Nuclear. Band of Stability. 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0. n = p. Number of neutrons. Stable nuclides. Naturally occurring radioactive nuclides. Other known nuclides.

367 views • 21 slides

Proportional Relationships

Proportional Relationships. Stoichiometry mass relationships between substances in a chemical reaction based on the mole ratio Mole Ratio indicated by coefficients in a balanced equation. 2 Mg + O 2 ? 2 MgO. Courtesy Christy Johannesson www.nisd.net/communicationsarts/pages/chem.

594 views • 20 slides

Significant Figures and Scientific Notations

Significant Figures and Scientific Notations. Examples and Problems . Rules for Counting Significant Figures. 1. Nonzero integers always count as significant figures. 2. Zeros: There are three classes of zeroes. Leading zeroes precede all the nonzero digits and DO NOT count as

283 views • 11 slides

Accuracy vs. Precision

Accuracy vs. Precision. Accuracy - how close a measurement is to the accepted value Precision - how close a series of measurements are to each other. ACCURATE = Correct PRECISE = Consistent. Courtesy Christy Johannesson www.nisd.net/communicationsarts/pages/chem. Significant Figures.

577 views • 8 slides

Particles in the Atom

Particles in the Atom. Electrons (-) charge no mass located outside the nucleus Protons (+) charge 1 amu located inside the nucleus Neutrons no charge 1 amu located inside the nucleus. +. Discovery of the Neutron. +.

102 views • 5 slides