Atoms
Atoms II
Substances
Compounds
Periodic Table of Elements
100

This subatomic particle has no charge.

What is a neutron?

100

This is the negatively charged subatomic particle.

What is an electron?

100

This is a combination of materials that do not mix evenly.

What is a heterogeneous mixture?

100

This is a substance that is always made up of the same combination of elements that are chemically bonded.

What is a compound?

100

This is the name of the columns in the periodic table.

What is a group?

200

These are the smallest subatomic particles.

What are electrons?

200

This is what the atomic number represents.

What is the number of protons?

200

This a category of matter in which the components are always the same.

What is a substance?

200

What is the chemical formula for water?

What is H2O?

200

This is how many groups there are on the periodic table.

What is 18?

300

The positively charged and non-charged subatomic particles are located in this part of the atom.

What is the nucleus?

300

This is the smallest part of matter.

What is an atom?

300

This is what is created when you dissolve sugar into water. It is a homogeneous mixture.

What is a solution?

300

This is the name of this molecule: CO2

What is carbon dioxide?

300

These are the horizontal rows on the periodic table of elements?

What are periods?

400

These orbit the nucleus of the atom at very fast speeds.

What are electrons?

400

How many atoms of hydrogen are in a water molecule?

What is 2?

400

This is a combination of materials that mix evenly into one mixture where you cannot tell the substances that were added.

What is a homogeneous mixture?

400

This is the common name for sodium chloride.

What is salt?

400

This is the largest group of elements on the periodic table of elements.

What are the transition metals?

500

This is the average of the total number of isotopes of an element and is listed on the periodic table.

What is the atomic mass?

500

Where is the largest and heaviest part of the atom located?

What is the nucleus?

500

This is a substance made up of only one type of atom.

What is an element?

500

If you add one more atom of oxygen to water, you get this compound.

What is hydrogen peroxide?

500

This group is number 18 and does not bond well with other elements.

What are the noble gases?

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