Elements, Molecules, Compounds

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

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How many Hydrogen atoms are in Water (H2O)

• 1
• 2
• 3
• 4

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How many valence electrons ae in the element Carbon?

• 2 electrons

• 6 electrons

• 4 electrons

• None of the above

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Are these molecules also compounds?

• YES

• NO

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Which of the following is NOT a compound?

• HCl

• Cl₂

• NaCl

• CO₂

Tags

NGSS.MS-PS1-1

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1

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

• formulas
• electrons
• atoms
• chemicals

When __________ form, the elements lose there individual chemical properties and take on new properties.

• compounds
• atoms
• subscript
• formula