Formation of Molecules

All ____________ are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

Tags

NGSS.MS-PS1-1

Bonds between atoms in a molecule form as a result of the sharing of?

• formulas

• electrons

• atoms

• elements

Which of the following is the correct way to illustrate H₂O?

• 
• 
• 
• 

2H₂O

How many H₂O molecules are present?

• 1

• 4

• 2

• 8

Unequal sharing (greedy sharing) of electrons that cause one area of the molecule to be more negative than the other?

• ionic bond

• covalent bond

• polar bond

• hydrogen bond

What is the chemical formula for water?

• H₂O
• H₂O₂
• KCl
• NaCl

Tags

NGSS.MS-PS1-1

Electrons in the outer shell are known as

• atomic number

• electron number

• valence electrons

• atomic mass

How many bonds can Nitrogen form?

• 14

• 7

• 3

• 21

Which of the following is a compound molecule?

• Co

• O₂

• C

• CO₂

The image is a representation of which type of bond ?

• ionic bond

• polar bond

• covalent bond

• hydrogen bond