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Periodic trends
Atomic Number
Subatomic particles
Periodic Table facts
Definitions
100

What is atomic radius?

half the distance between the nucleus and last shell of an atom

100
What is the atomic number of Lithium?
3
100

The number of protons for Aluminium atom is

13

100

The Scientist who compiled the elements in a periodic table is ......

Dmitri Mendeleev

100
What is the smallest or simplest version of an element?
Atom
200
Which element has the atomic symbol Na?
Sodium
200
What the atomic number of N?
7
200

What is the number of electrons for Sodium ion?

10

200

Families in the periodic table are arranged in.........

Columns or groups vertically

200
What is the negatively charged elementary particle?
Electron
300
Which element has the atomic number 8?
Oxygen
300
What is the atomic number of Boron?
5
300

The number of protons and neutrons for sulphur atom 

S-proton 16, neutron-16

300
What is another name for a row?
A period
300
What is the positively charged elementary particle?
Proton
400
Which element has the symbol K?
Potassium
400
What is the atomic number of Cl?
17
400

Determine the subatomic particles below for Ne

* proton

* neutron

Proton- 10

Neutron-10

400
What is the small whole number at the top corner of each box?
Atomic number
400
A number that indicates the total number of protons and neutrons of an atom 

Atomic mass

500
Which element has atomic number 14?
Silicon
500
What is the atomic number of Calcium?
20
500

What are the numbers of the subatomic particles given below for a Chlorine ion.

* proton

* neutron

*electron

Cl:proton-17, neutron-18, electron-18

500
What is the letter or pair of letters in each block called?
Atomic symbol
500

Electrons in the last electron shell is known as 

Valence electrons