Element Name
Element Symbol
Valence Electrons
Periodic Table
Atomic Characteristics
100

Element symbol: H

What is Hydrogen?

100

Element Name: Oxygen

What is O?

100

Valence electrons for H

what has 1 valenece e?
100

The group in which sodium belongs

What are the alkali metals?

100

Which element has 6 protons?

What is carbon?

200

Element Symbol: S

What is sulfer?

200

Element name: Helium

What is He?

200

Valence electrons for Li

What has 2 valence electrons?

200

The group in which helium belongs

What are the noble gases?

200

Which element has 20 electrons when stable?

What is calcium?

300

Element symbol: Na

What is sodium?

300

Element name: Nitrogen

What is N?

300

Valence electrons for Argon

What has 8 valence electrons?

300
The group in which carbon belongs

What is the carbon family?

300

Which element has 10 neutrons?

What is flourine?

400

Element symbol: K

What is potassium?

400

Element name: Magnesium

What is Mg?

400
Valence electrons for sulfer

What has 6 valence electrons?

400

The group in which calcium belongs

alkali earth metals

400

Which element has the atomic mass of 24.3?

What is magnesium?

500

Element symbol: P

What is phosphorous?

500

Element name: Chlorine

What is Cl?

500

Valence electrons for Bromine

What has 7 valence electrons?

500

The group in which arsenic belongs

What are the metalloids?

500

How do you calculate the amount of neutrons an atom has?

Atomic Mass - Atomic Number = # of Neutrons

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