Atoms and Molecules

Identify the substances: Berkelium

• Element

• Compound

• Neither Options

Identify the substances: Ammonia

• Element

• Compound

• Neither Options

Tags

NGSS.MS-PS1-1

Identify the substances: MgO

• Element

• Compound

• Neither Options

Tags

NGSS.MS-PS1-1

Identify the substances: Tin

• Element

• Compound

• Neither Options

Identify the substances: Hf

• Element

• Compound

• Neither Options

What do we call the smallest unit an element can be broken into and still have the same properties? ​ (a)  

• Atom
• Molecule
• Substance
• Element
• Compound

What do we call the smallest unit of a compound that retains the properties of the compound? ​ ​ (a)  

• Molecule
• Substance
• Element
• Compound
• Atom

Tags

NGSS.MS-PS1-1

In the figure, mark the location of the electron, proton, and the neutron. Mark the atom that is positively charged and the part that is negatively charged.

Tags

NGSS.MS-PS1-1

What does the atomic number tell us about the atom?

• Number of Protons

• Number of Electrons

• Number of Neutrons

Use the periodic table to find the element with atomic number 27