Molecules

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

• formulas

• electrons

• atoms

• chemicals

Tags

NGSS.MS-PS1-1

What does this image represent?

• Atom

• Element

• Molecule

• Marshmallows

Tags

NGSS.MS-PS1-1

Carbon dioxide (CO₂) contains how many atoms of oxygen?

• 0

• 1

• 2

• 3

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

H₂O
This number tells how many molecules are in a chemical equation.

• coefficient

• subscript

• compound

• element

2H₂O
How many H₂O molecules are present?

• 1

• 4

• 2

• 8

Tags

NGSS.MS-PS1-1

How do covalent bonds form?

• Donating & receiving valence e- between atoms.

• Opposite slight charges attract each other between compounds.

• Scientists are still not sure how they form.

• Sharing valence electrons between atoms.

How are covalent bonds formed?

• Sharing of electrons

• Transfer of electrons

Which of these items is made up of one or more molecules?

• Gold

• Hydrogen

• Salt 

• Neon 

Tags

NGSS.MS-PS1-1

H₂O₂← ?
This number tells the number of atoms present.

• coefficient

• molecule

• subscript

• atom

Tags

NGSS.MS-PS1-1