Chemistry Review with Companion Sheet 23-24

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4. Get pencil

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Do Now:

Dropdown

Warm Up: The equation has a total of ​

Select answer

Hydrogen atoms.​ ​

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Test Review!
Test is Monday!

Categorize

Options (10)

Shiny

Conductors

Ductile (wires)

Malleable

Dull

Insulators

Brittle

Semiconductors

Shiny or Dull

Brittle or Malleable

Identify the properties of metals, nonmetals, and metalloids in the table below.

Metals

Nonmetals

Metalloids

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Labeling

Label the blue, yellow, and pink groups on the periodic table!

Drag labels to their correct position on the image

Metalloids

Nonmetals

Metals

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Multiple Choice

Use the periodic table.

1. Which element has 4 energy levels and 5 valence electrons?

• Arsenic (As)

• Gallium (Ga)

• Aluminum (Al)

• Selenium (Se)

Multiple Choice

Is the Arsenic a metal, nonmetal, or metalloid?

• Metal

• Nonmetal

• Metalloid

Multiple Choice

Use the periodic table.

1. What metalloid has 3 valence electrons?

• Arsenic (As)

• Silicon (Si)

• Boron (B)

• Germanium (Ge)

Multiple Choice

Use the periodic table.

1. What element has the same chemical properties as Cl, but one more energy level?

• Sulfur (S)

• Bromine (Br)

• Iodine (I)

• Fluorine (F)

Multiple Choice

Use the periodic table.

1. Which  metal has the same number of energy levels as Phosphorus (P)?

• Magnesium (Mg)

• Nickel (Ni)

• Bismuth (Bi)

Multiple Choice

Use the periodic table.

1. Which element has the same chemical properties as Hydrogen (H)?

• Rubidium (Rb)

• Helium (He)

• Carbon (C)

Multiple Choice

Use the periodic table.

1. Which element has the same chemical properties as Helium, but has 4 energy levels?

• Xenon (Xe)

• Beryllium (Be)

• Krypton (Kr)

Multiple Choice

Use the periodic table.

1. Which nonmetal has 5 energy levels?

• Argon (Ar)

• Bromine (Br)

• Iodine (I)

Multiple Choice

Use the periodic table.

1. Which element has 3 more protons than Manganese (Mn)?

• Iron (Fe)

• Nickel (Ni)

• Titanium (Ti)

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Labeling

Match the evidence for chemical changes.

Drag labels to their correct position on the image

Light

Temperature Change

Precipitate

Odor

Gas

Color Change

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Match

Match the following as examples of  physical (P) or chemical (C) change:

• Steam forms above boiling water.

• A solid forms when two clear solutions are mixed.

• Sugar crystals form on the sides of a boiling pot of sugar water.

• A child blew through a wand filled with soap, and bubbles were produced.

• A liquid was mixed with another liquid and a precipitate formed.

P

C

P

P

C

• P

• C

• P

• P

• C

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Dropdown

Count the atoms in the formula shown. Al =​

Select answer

​ O=​

Select answer

Dropdown

Count the atoms in the formula shown. Ca =​

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​ O=​

Select answer

H=​

Select answer

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Drag and Drop

Count the atoms of the REACTANT side of the equation:

P = ​

Placeholder

Cl = ​ ​

Placeholder

H = ​

Placeholder

O = ​ ​

Placeholder

Drag these tiles and drop them in the correct blank above

1

4

2

3

5

6

7

Drag and Drop

Count the atoms of the PRODUCT side of the equation:

P = ​

Placeholder

Cl = ​

Placeholder

H = ​

Placeholder

O = ​

Placeholder

Drag these tiles and drop them in the correct blank above

1

4

2

3

5

6

7

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Multiple Choice

Is the equation balanced or unbalanced?

• Balanced

• Unbalanced

Fill in the Blanks

How many total oxygens are in the formula?

Fill in the Blanks

How many hydrogen are on the product side?

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Dropdown

The Law of Conservation of Mass states the mass of the reactants must be ​

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the mass of the products.

Fill in the Blanks

A chemical reaction between methane (CH4) and Oxygen (2O2) is shown. The masses of some of the reactants and products are given in grams.

How many grams of methane were used in the reaction?

Fill in the Blanks

The process of burning wood is shown.

How many kgs of smoke was produced?

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Done!