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This document is for review purposes only
Density of Steel.
Common breaking load (KN) of the material using UTM (Tensile Test) u
OVERVIEW OF THE
END DATE &
III. DESCRIPTION OF THE ACTIVITY
(the activity is a competition, change DESCRIPTION to MECHANI
Greek stoikheion element
- to measure
deals with the combining proportions of the
elements or compounds involved in chemical
tells us the relationship of the moles &
masses of the reactant to one another & also
to the produc
Greek word atomos meaning indivisible.
the smallest particle of an element that
remains the properties of that element.
a. Idea of Democritus (460-370 BC) a Greek
who first expressed the idea about what
matter is made of. Matter is made of tiny
- show the number and kinds of atoms in the
smallest representative unit of the substance.
- represents the charge or apparent charge of
an element in the compound. (ex. H+1 )
- tightly bound groups of at
- attractive forces that hold atoms or ions
3 TYPES OF CHEMICAL BOND
1. IONIC or ELECTROVALENT BOND
-involves transfer of electrons between two
-formed when a metal (loses e -) reacts with
non- metal (gains e-).
comes from the Latin word scire (sare or
saire) meaning to know.
defined as the systematized bodies of
knowledge based on facts (observations,
studies, experimentations, researches)
something that is developmental, progressive,
1. Johann Wolfgang Dobereiner (1780-1849)
Similar Properties elements are arranged in threes
or triads known as Dobereiners
ex. Group I-A a) Li, Na, K,
7-A b) Cl, Br, I
2. John Alexander Reina Newlands (1837-1898)
ENERGY LEVELS IN AN
In 1914, a Danish Physicist by the name of Niels
proposed a theory about atomic structure which
the line spectra of elements. He proposed that
movement of electron is analogous to the planets
How do Scientists come up
with the new technology?
a systematic approach to the
solution of scientific
a. Stating the problem.
b. Gathering information on the problem.
Observation something that can be perceived
OVERVIEW OF THE
VENUE FEU TECH GYM
January 16, 2017/ 08:00-11:00
February 13, 2017/ 08:00-11:00
This activity aims to cater the electrical engineering
community during the
A beaker is a common container in most labs. It is used for mixing, stirring, and
heating chemicals. Most beakers have spouts on their rims to aid in pouring.
They also commonly have lips around their rims and markings to measure the
volume they co