TRUE or FALSE Electrons have a positive charge. FALSE! Electrons have a NEGATIVE charge. 1.
Ionic Bonding. Specification Candidates should be able to: (a) describe the term ionic bonding as electrostatic attraction between oppositely charged.
Chapter 2: Biochemistry. Elements and Atoms 92 natural elements arranged on a periodic table –cannot be broken down into simpler substances –represented.
© Boardworks Ltd 2003 Atoms – the building blocks All substances are made from very tiny particles called atoms. John Dalton had ideas about the existence.
01 Track 1.wma Chemical Bonding download this presentation from .
Hydrogen 1p+, 1e _ Helium 2p+, 2e _ electron proton neutron The Atom.
Atomic Structure & the Periodic Table. Basic Definitions Atom – smallest unit of an element that retains the properties of that element Atoms are made.
