Elements, Compounds, Mixtures, Atoms & Periodic Table

Protons, neutrons and electrons are subatomic particles in an atom

Which term best describes picture B?

Which picture best shows a solid?

Protons...

What does picture C represent?

Number of Neutrons?

Compounds and mixtures are the same

Elements are smaller than atoms

All elements are solids

Which picture best represents a gas?

The three states of matter are...

What is a periodic table

How many pictures show elements?

Electrons are positively charged whereas protons are negative and neutrons are neutral

All mixtures are heterogeneous

What are the two types of mixtures?

Who Created The Periodic Table?

Electrons...

How many protons, neutrons, and electrons are in potassium?

Most elements on the periodic table are metals

All states of matter can be squashed

Neutrons...

Some examples of elements are?

Why does an atom have a positive and negative charge?

Where are most metals on the periodic table