subatomic particles of atom

2. PRAYER:

3. ATTENDANCE:
FEBRUARY 22, 2024
BOYS :
GIRLS:
TOTAL: ________________

4. REVIEW:
GAS
SOLID LIQUI
D

5. GUIDE QUESTIONS:
1. After inspecting the chart above, how
do you differentiate the molecular
arrangement of solid, liquid and gas?
2. How do you describe the condensation
process based from the illustration above?
How does it differ from evaporation
process?

6. REVIEW:
Heat is Removed
Heat is added
0°C 30°C 100°C

7. THE ATOM AND ITS
SUBATOMIC
Quarter 3, Module 4

8. OBJECTIVE/S :
1. Explain why objects may attract or repel
each other.
2. Describe Thomson’s Model of an Atom.

9. 2 PICS ONE WORD

10. AN ATOM
The atom is composed of even smaller particles.
Atoms are consist of three basic particles:
protons, electrons, and neutrons. The nucleus
(center) of the atom contains the protons
(positively charged) and the neutrons (no charge).
The outermost regions of the atom are called
electron shells and contain the electrons
(negatively charged).

11. The properties of the three subatomic particles are summarized in table
1. one of their properties is their masses. protons and neutrons have
nearly equal
masses, but they differ in charge. a neutron has no charge, whereas a
proton
has a positive charge that exactly balances the negative charge on an
electron.
Table 1. Some properties of the three main subatomic particles:
Sub-atomic
particle
(symbol)
Charge Mass (grams)
Location in the
Atom
Electrons (e-)
-1 9.109 x 10-28
Outside the
nucleus
Protons (p+) +1 1.672 x 10-24 Nucleus
Neutrons (n0) 0 1.675 x 10-24 Nucleus

12. ATTRACTION VS. REPULSION
Every magnet has both a north or
south pole. When you place the
north pole of one magnet near the
south pole of another magnet, they
are attracted to one another. But
when you place like poles of two
magnets near each other (north to
north or south to south), they will
repel each other. The rule to
remember is that opposite poles
attract and like poles repel.
When will magnets attract or
repel each other?

13. ELECTRIC CHARGES
Electric charges (or simply
charges), either positive charge
or negative charge, behave
similarly, that is, like charges
repel or push away each other
and opposite charges attract or
pull toward each other.

14. ELECTRIC CHARGES
Suppose that you rubbed a
balloon with your own hair. The
balloon would likely become
charged and its charge would
exert a strange influence upon
other objects in its vicinity. If
some small bits of paper were
placed upon a table and the
balloon were brought near and
held above the paper bits, then
the presence of the charged
balloon might create a sufficient
attraction for the paper bits to

15. ELECTRIC FORCE
This influence - known as an
electric force - occurs even
when the charged balloon is
held some distance away from
the paper bits. The electric
force is a non-contact force.
Any charged object can exert
this force upon other objects -
both charged and uncharged
objects.