Atom, Molecule, and Ion

What is the number of neutron for this atom?

• 5

• 4

• 3

• 2

What is the name for this element?

• Krypton

• Natrium

• Potassium

• Kurchatovium

How many valence electrons does this element have?

• 1

• 2

• 3

• 4

Which one is the example form of NaCl ?

• 
• 
• 
• 

How many electrons that this element has?

• 10

• 9

• 8

• 7

Which one is the Bohr model of oxygen?

• 
• 
• 
• 

A group of molecule that made of two atoms of the same or different element, called.....

• Diatomic Molecules

• Triatomic Molecules

• Polyatomic Molecules

• Hexatomic Molecules

Find the correct sentence from this following below

• Homonuclear molecule formed by different elements

• H₂O is the example of homonuclear molecule

• Hydrogen (H₂) is the example of homonuclear molecule.

• Heteronuclear formed by same elements

These following below belongs to compound , except...

• F₂

• H₂O

• CH₃

• NH₄

what is the nomenclature name for HCl?

(a)