Classifying the Elements

The Periodic Table

Learn more about atoms, elements and more.

The periodic table

The periodic table classify element according to similarities in their properties. Elements are pure substance made up of one type of atom. All the atoms of an element is the same.

The Periodic Table

Multiple Choice

What is the periodic table?

• everything that has mass and volume

• the classification of the elements according to similar properties

• the classification of living things

• how we group people

Multiple Choice

the smallest particle of an element than can exist on its own is called

• an atom

• an element

• a compound

• a shadow

Atoms

atoms are the smallest particles of an element, the atom has a nucleus made up of protons and neutrons. protons are positive + charge neutrons have no charge. the electrons are negative charge - and are located in shells around the nucleus.

Multiple Choice

The nucleus of the atom is positively charge.

• true

• false

Multiple Choice

An element is a pure substance made up of one type of atom. Which of these is an element?

• O_{2 Oxygen}

• CO_{2 carbon dioxide}

• H2O water

• NaCl sodium chloride

Multiple Select

The subatomic particles are

• protons

• neutrons

• sections

• electrons

• 6 is the Atomic Number( # protons

• 12 is the Mass Number ( # protons + neutrons)

• C- symbol of the element

Open Ended

How many protons does this element has ?

Multiple Choice

How many electrons does this atom has

• 12

• 6

• 18

• 2

Open Ended

How many neutrons is in this element?

Multiple Choice

The periodic table classify the elements into period and groups.

• True

• False

Multiple Choice

The vertical columns on the periodic table are called groups.

• true

• false

Multiple Choice

The group is the number of electrons on the FIRST shell.

• true

• false

Multiple Choice

Which group does this element belong?

• VII

• II

• V

• III

The Periodic Table

Multiple Choice

which of these is the only liquid non-metal

• Bromine

• gold

• aluminum

• copper

Group Vii 0r 17-- Halogens

The Green color group next tothe noble gasses are called Halogens. They are very reactive unlike the noble gasses.

Multiple Choice

Which elements does NOT belong to the group called halogens.

• fluorine

• chlorine

• bromine

• iodine

• hydrogen

Open Ended

State the period and the group for nitrogen

Multiple Choice

Which group is known has inert or noble gasses

• group I

• group VIII

• group VI

• Group II

Multiple Choice

which is not a property of metals?

• solid at room temperature

• shine and reflective

• poor conductor of heat and electricity

• high melting point

• malleable and ductile

Multiple Choice

Which is NOT a property of non-metals

• solid, liquid

  or gas at room temperature

• dull

• non-conductors of heat or electricity

• malleable and ductile

Multiple Choice

A mixture of two or more metals are called

• metalloids

• Alloy

• metals

• compound.