Chemistry

Periodic Patterns

100

This element has the atomic number 10. 

What is neon (Ne)

200

Find this element in Period 3, Group 1.

What is sodium (Na)?

300

Find this element in Period 4, Group 18. 

What is krypton (Kr)?

400

Elements on the Periodic Table are arranged by ___________ ____________.

What is the atomic number (# of protons)? 

500

Elements in this group or family are stable with full valence shells.  You'll never find them overreacting!

What are Noble Gases (Group 18)?

Subatomic Particles

100

This particle is located in the nucleus and has a positive charge.

What is a proton?

200

These negatively charged particles surround an atom's nucleus in shells/clouds.

What are electrons?

300

These TWO particles are in the nucleus of an atom and are measured in an element's atomic mass.  

What are protons and neutrons?

400

This is the number of electrons that the first 3 shells can hold.

What is 2-8-8?

500

How many total particles are in the nucleus of one atom of Ca (calcium)? 

What are 40?

Substances & Such

100

A substance that is pure, and only made of one type of atom is called this. 

What is an element?

200

CaCO₄ is a(n)...  

a.  Element.  b. Compound.  c. Mixture

What is a compound?

300

What is the one U.S. state that has a name only 1 syllable long? 

What is Maine?

400

Air in our atmosphere is an example of what type of mixture?  

Homogeneous

500

What is the lightest element on the Periodic Table?

What is hydrogen?

Periodic Puzzles

100

This term refers to the horizontal rows on a periodic table. 

What are periods?

200

This is the only elemental metal that is a liquid at room temperature.

What is mercury (Hg)?

300

This family is highly reactive with only one valence electron.  

What is an alkali metal? 

400

How many NEUTRONS does one atom of fluorine have?

What is 10?

500

Which element has the greatest number of electron shells?  

a.  Sulfur (S)

b.  Neon (Ne)

c.  Helium (He)

What is sulfur (S)?

Chemical Vs. Physical Changes

100

A nail rusting is an example of a _______________ 

(physical/chemical) change.  

What is physical?

200

Dissolving sugar in water is an example of a ___________ (physcial/chemical) change.

What is physical?

300

Which of these 3 clues are proof that a chemical change has occurred?

a.  A new shape

b.  A gas is formed

c.  A new smell

d.  A new state of matter (solid->liquid)

e.  Heat is released or absorbed

What is B, C, and E? 

400

Provide an example of something that is a heterogeneous mixture. 

Answers vary

500

How many NEUTRONS does one atom of fluorine have?

What is 10?