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C3. Atomic structure & The Periodic Table

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Total cards: 23•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (23)

#1
Front (Question)

What is the Atomic Number?

Back (Answer)

Number of Protons in an atom

#2
Front (Question)

What is the Atomic Mass? (or relative mass)

Back (Answer)

Number of Protons + number of Neutrons found in the Nucleus

#3
Front (Question)

Define Atoms

Back (Answer)

Structure of an Element Makes up everything

#4
Front (Question)

Atoms are made up of

Back (Answer)

Sub-atomic particles Protons (+) Neutrons (n) Electrons (-)

#5
Front (Question)

What is the relative mass of a Proton?

Back (Answer)

1

#6
Front (Question)

What is the relative mass of a Neutron?

Back (Answer)

1

#7
Front (Question)

What is the relative mass of an Electron

Back (Answer)

1/2000

#8
Front (Question)

What is the relative charge of an Electron?

Back (Answer)

-1 Electrons have a charge of -1.6

#9
Front (Question)

What is the relative charge of an Proton?

Back (Answer)

1+ Charge of +1.6

#10
Front (Question)

What is the relative charge of a Neutron?

Back (Answer)

Neutrons carry no charge (0)

#11
Front (Question)

The Periodic table is ordered in an arrangement of ___ known elements?

Back (Answer)

118

#12
Front (Question)

Rows of the periodic table are called

Back (Answer)

Periods

#13
Front (Question)

columns of the Periodic table are called

Back (Answer)

Groups

#14
Front (Question)

All elements in a column (group) have the same number of…

Back (Answer)

Electrons

#15
Front (Question)

Who was the first Chemist to devise a Periodic table?

Back (Answer)

John Newlands How table was ordered by weight of element

#16
Front (Question)

Who realised there may be undiscovered elements?

Back (Answer)

Dimitri Mendeleev Added gaps to Newlands table for undiscovered elements predicted properties and masses of undiscovered elements

#17
Front (Question)

Atoms are ______

Back (Answer)

Neutral

#18
Front (Question)

Define an Ion

Back (Answer)

Positively or negatively charged atom from chemical reaction (bonding)

#19
Front (Question)

Define a Molecule

Back (Answer)

Group of atoms joined together

#20
Front (Question)

Define Isotop

Back (Answer)

An Atom of the same element with a different number of Neutrons

#21
Front (Question)

A Nuclide is a type of ______

Back (Answer)

Isotop Refers to a specific Nucleus that contains a certain number of Protons and Neutrons

#22
Front (Question)

Electrons have a fixed position in Atoms called ______ or ______ ______

Back (Answer)

Shells or Energy Levels

#23
Front (Question)

The closer the shell is to the nucleus, the _____ its energy level

Back (Answer)

lower