Form 1 Science chapter 6

An atom is _____________________.

there are three type of particles which make up matter

• ion

• iron

• atom

• molecule

Protons, neutrons and electrons are known as _____________.

what is proton?

• particle with negative charge

• particle with no charge

• neutron+proton

• particle with positive charge

______ is particle with no charge, symbol is ____.

• neutron, p

• proton, p

• electron, e

• neutron, n

A molecule is a neutral particle consisting of ___________ joined together by strong forces called __________.

all molecule are compoud. true or false

• true

• false

there is ____ type of atom in an element.

• two

• one

• four

• three

• zero

example of element

• iron

• carbon

• oxygen

• copper

electrolysis: components in a compoud can be separated ______.

• physically

• chemically