'Atomic mass mass' diaporamas de présentation

Life, Chemistry and Water

739 views • 62 slides

Principles of Chemistry, Chapt . 2: Atomic Structure and The Elements The Structure of Atoms

965 views • 59 slides

Electrical Charge is fundamental to our understanding of the atom

504 views • 39 slides

Chapter 4: Atomic Structure

Chapter 4: Atomic Structure. 4.1 Defining the Atom. An Atom is the smallest particle of an element that retains its identity in a chemical reaction. The Greek Philosopher Democritus , was among the First to suggest the existence Of atoms.

501 views • 38 slides

Chapter 4: Atomic Structure

Chapter 4: Atomic Structure. 4.1 Defining the Atom. An Atom is the smallest particle of an element that retains its identity in a chemical reaction. The Greek Philosopher Democritus , was among the First to suggest the existence Of atoms.

343 views • 34 slides

Biology- Study of Life

677 views • 31 slides

Warm-up

In your notebook describe how you know when you have learned something. Now explain solubility and density. Warm-up. List how many protons and electrons the following elements have: Hydrogen, Sodium, Iron, Krypton, and Mercury. Warm-up.

431 views • 31 slides

Ch 3 Atoms and Moles

Ch 3 Atoms and Moles. Atoms. Atomic theory: Democritus (400 BC) atomos. Indivisible. All substances made of atoms. Experiments support laws: Law of definite proportions: Chemical compounds always contain the same elements in exactly the same proportion by mass Law of conservation of mass:

208 views • 20 slides

Chapter 10

245 views • 13 slides

Uranium

Uranium. Calculate ATOMIC MASS (.007)(235) + (.993)(238) = 237.679. Boron. Calculate ATOMIC MASS (.199)(10) + (.801)(11) = 10.801. Oxidation Number. Ionic Charge = Oxidation Number. Na and Cl. Ca and Cl. Al and O. Counting Subatomic Particles. Bi Number of protons = 83

400 views • 11 slides

More about isotopes

More about isotopes. Atomic mass vs average atomic mass or atomic weight. Atomic Mass. The mass of a specific isotope of an element expressed in atomic mass units (amu) The atomic mass is the total mass of the protons, neutrons and electrons in the atom Atomic mass = mass of an atom

290 views • 6 slides

2.2 Periodic Table

2.2 Periodic Table. Origin of the periodic table Chemists in the 10th century wished to organize elements Attempts focused on grouping elements with similar properties In 1867, Dimitri Mendeleev found patterns in the elements and organized them into table according to

185 views • 5 slides