Chemical Equations Review

Semester Review

100

This is the number of protons in Helium

What is 2

200

This is where protons and neutrons can be found in an atom

What is in the nucleus of the atom?

300

This is the element with the largest electronegativity on the periodic table

What is Fluorine?

400

This is the type of bond that Magnesium and Chlorine have together

What is an ionic bond?

500

This is the Lewis Dot Structure for Carbon.

What is C with 4 dots around it?

Counting Atoms

100

This is the number of Hydrogens in H₂O

What is two?

200

This is the number of Calciums in Ca(OH)₂

What is one Calcium?

300

This is the name of the 2 in H₂O

What is a subscript?

400

This is the number of SO₄ molecules in 3 Ba₃(SO₄)₂

What is six?

500

This is the amount of each element in 3 Ba₃(SO₄)₂

What is:

Ba = 9    S = 6   O = 24

Parts of Equations

100

This is the name of things on the left side of a reaction arrow

What is reactants?

200

This is the name of things on the right side of the reaction arrow

What is products?

300

This is the name of the arrow in a chemical reaction

What is the yield sign?

400

This is what separates each compound in a chemical equation

What is a plus sign

500

This is what the arrow tells us in a reaction

What is the direction the reaction moves?

Balancing Equations

100

This is the first thing you do when you balance a chemical equation

What is separate the products and reactants? (Draw the line under the yield sign)

200

This is the balanced equation for the following equation -

__ H₂ + __ O₂ --> __ H₂O

What is - 

2 H₂ + 1 O₂ --> 2 H₂O

300

This is the balanced equation for the following equation -

__ Li + __ AlCl₃  -->  __ LiCl  + __ Al  

What is - 

3 Li + __ AlCl₃  -->  3 LiCl  + __ Al  

400

This is the balanced equation for the following equation -

__ FeS₂ + __ O₂ --> __ Fe₂O₃ + __ SO₂

What is - 

4 FeS₂ + 11 O₂ --> 2 Fe₂O₃ + 8 SO₂

500

This is the balanced equation for the following equation -

__ Al(OH)₃ + __ H₂SO_{4 -->} __ Al₂(SO₄)₃ + __ H₂O  

What is - 

2 Al(OH)₃ + 3 H₂SO_{4 -->} 1 Al₂(SO₄)₃ + 6 H₂O

May Facts

100

This is the last day of the school year

What is May 29th?

200

This is the name of the celebration that happens on May 5th

What is Cinco de Mayo?

300

This is the name of the band that sings "It's gonna be me", because "It's gonna be May"

What is *NSYNC?

400

This is the fandom of people who celebrate May 4th. "Special day it is"

What is Star Wars?

500

These are the 2 zodiac signs for the month of May

What is Taurus and Gemini?