Parts of an Atom
The Periodic Table
The Elements
Solubility
Chem in the Everyday
100

The inner part of an atom that contains the protons and neutrons is called _________

What is the nucleus?

100

Rows across the table are also called_______.

What are periods?

100

What element is symbolized by the letter O?

What is Oxygen?

100

Solubility is a _____________ property of a substance. 

What is characteristic?

100

NaCl is this household item.

What is table salt?

200

These particles have a positive charge and are found inside the nucleus.

What are protons?

200

Columns down the table are also called _______.

What are groups?

200

What is the element symbolized by the letter C?

What is Carbon?

200

When more energy is released in the forming of bonds between a solute and a solvent than is taken in by the breaking of the bonds between the solute, the reaction is _________.

What is exothermic?

200

Sodium bicarbonate is this household item.

What is baking soda?

300

These particles are located in the nucleus, and have no charge.

What are the neutrons?

300

The atomic masses __________ as you move down the periodic table.

What is increase?

300

What element is symbolized by the letter Cl?

What is Chlorine?

300

When more energy is absorbed in the breaking of bonds between a solute and a solvent than is released by the forming of the bonds between the solute, the reaction is ____________.

What is endothermic?

300

This is the gas we breathe out during respiration.

What is CO2?

400

These particles are negatively charged and are found outside the nucleus.

What are electrons?

400

The number of energy levels _______ as you move down the periodic table.

What is increase?

400

What element is symbolized by the letter K?

What is Potassium?

400

The different compositions of different salts results in slightly different structures when ______________.

What is recrystallized?

400

This is the gas dissolved in seltzer.

What is CO2?

500

Most of the mass of an atom is located here.

What is the nucleus?

500

There are __________ elements in the periodic table.

What is 118?

500

What element is represented by the letter Au?

What is gold?

500

When it comes to polar substances, __________ dissolves ___________.

What is like?

500

Hand warmers work because of oxidation: an ___________ process.

What is exothermic?

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