Atoms
Elements and molecules
Abundance of Elements
Elements, Compounds, Mixtures
100

the 3 particles

What is electrons, protrons, neutrons?

100

What is the Periodic Table?

What is a chart that shows all the elements scientists have discovered?

100

Oxygen 47% Silicon 28% Aluminum 8% Iron 5% Calcium 3% Others 9%

What is the crust?

100

What cannot be broken down into anything simpler?

What is an element?

200

Electron's charge

What is negative?

200

What does an element's atomic number represent?

What is the number of protons in an element?

200

Nitrogen 78% Oxygen 21% Others 1%

What is the atmosphere?

200

How many elements are on the Periodic Table?

What is 118?

300

Protron's charge

What is positive?

300

What do the colors on the Periodic Table represent?

What is whether the element is a solid, a liquid, or a gas at room temperature?

300

Oxygen 85% Hydrogen 10% Chlorine 2% Sodium 1% Others 2%

What is the ocean?

300

What does a subscript tell you?

What is the number of atoms of a particular element that are in a compound?

400

The simplest atom

What is hydrogen

400

Why isn't water on the Periodic Table?

What is because water is a compound?

400

Oxygen 65% Carbon 18% Hydrogen 10% Nitrogen 3% Others 4%

What is living things?

400

What is the difference between a heterogeneous mixture and a homogenous mixture?

What is you can see the parts of a heterogeneous mixture but you can't see the parts or a homogenous mixture?

500

Neutron's charge

What is no charge?

500

If Au means gold what is Au on the Periodic Table?

What is the element symbol?

500

Out of the crust, ocean, atmosphere, and living things which has the most oxygen?

What is the Ocean?

500

What type of mixture is a fruit salad?

What is a heterogeneous mixture?