{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

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1

Which of these is NOT a way to tell that a chemical reaction is happening?

Bubbles are formed

A new solid (precipitate) appears

Red food coloring turns water red

Heat is released

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Fill in the blanks to correctly complete the statements below:

The chemicals at the beginning of a chemical reaction that react together are called the . The chemicals that are produced at the end of the reaction are called the .

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1

What makes a reaction exothermic?

When energy is absorbed by the reaction, making the environment around it colder.

When the reactants combine into one single product.

None of the above

When energy is released by the reaction to the environment, usually as heat, like in a match.

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1

What is the big number that you are allowed to change in a chemical equation called?

Subscript

Front value

Coefficient

Coequation

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1

Balance the following chemical equation.

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1

Balance the following chemical equation.

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1

Which of these is NOT a ‘Base’ metric unit?

Meter

Liter

Gram

Pound

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1

Compared to the base unit, what does the prefix ‘kilo-‘ represent?

1,000 Units

10 Units

0.001 Units

100 Units

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1

One one-thousandth (1/1000 or 0.001) base units is represented by which prefix?

Centi

Milli

Kilo

Deka

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1

Show your work to convert the following measurement.
218 g = __________________ kg

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1

Show your work to convert the following measurement.
75 mL = __________________ L

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1

Show your work to convert the following measurement.
7.77 km = _________________ m

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1

Show your work to convert the following measurement.
2.77 m = __________________ cm

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1

Which of the following best describes density?

How heavy something is

How fast something can go

How compact something is

How much space something takes up

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1

What is the formula for density?

None of the above

D = m/v

D = v/m

D = m * v

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1

Liquid oxygen has a volume of 14mL and a mass of 7g. What is the density of liquid oxygen?

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1

The first law of motion states that an object at rest or in motion will remain at rest or in motion...

And is equal to the mass times acceleration

Unless acted upon by an unbalanced force

Forever and ever, amen.

For a short time, then will change direction

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1

Fill in the blanks to correctly complete the equation that represents the second law of motion.

F = x

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1

The third law of motion states that for every force exerted on an object, there will be an equal and opposite force. Describe what this means in your own words and provide two examples to help explain your point.

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1

What is the main difference between speed and velocity?

Speed is how fast you are going AND the direction, while velocity is just how fast you are going

They both mean the exact same thing, how fast you are going

Speed is how fast you are going and velocity is how far you went.

Speed is how fast you are going, while velocity is how fast you are going AND the direction

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1

How can you distinguish between an ionic and covalent bond?

In an ionic bond electrons are shared between atoms, while in a covalent bond the electrons are transferred from one atom to another

Both covalent and ionic bonds involve electrons being shared

In an ionic bond, electrons are transferred from one atom to another, while in a covalent bond the electrons are shared between the atoms.

Both covalent and ionic bonds involve electrons being transferred

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1

What are valence electrons?

The electrons on the outermost electron shell

The electrons on the innermost electron shell

The electrons with the lowest energy state

All of the electrons that orbit an atom

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1

Which state of matter takes the shape of its container and has NO definite volume?

plasma

liquid

solid

gas

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1

Which term describes changing from gas to liquid?

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1

What is a physical property?

Whether or not you can light something on fire

A characteristic regarding the chemical properties of a substance

A reaction which changes a substance into something new

Something about a substance that can be observed

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1

Fill in the blanks to correctly complete the statements below.

A change is when you change how a substance looks but it is still the same substance, while in a change you change one set of substances into something completely different.

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1

What type of charge does an electron have?

magnetic

negative

positive

no charge

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1

How many protons does Boron have?

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Show your work to calculate how many neutrons Calcium has.

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1

How many electrons can fit on the 3rd shell of an atom?

12

2

8

10

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1

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IPC Final 2021-2022

IPC Final 2021-2022

Which of these is NOT a way to tell that a chemical reaction is happening?

What makes a reaction exothermic?

What is the big number that you are allowed to change in a chemical equation called?

Balance the following chemical equation.

Balance the following chemical equation.

Which of these is NOT a ‘Base’ metric unit?

Compared to the base unit, what does the prefix ‘kilo-‘ represent?

One one-thousandth (1/1000 or 0.001) base units is represented by which prefix?

Show your work to convert the following measurement.218 g = __________________ kg

Show your work to convert the following measurement.75 mL = __________________ L

Show your work to convert the following measurement.7.77 km = _________________ m

Show your work to convert the following measurement.2.77 m = __________________ cm

Which of the following best describes density?

What is the formula for density?

Liquid oxygen has a volume of 14mL and a mass of 7g. What is the density of liquid oxygen?

The first law of motion states that an object at rest or in motion will remain at rest or in motion...

The third law of motion states that for every force exerted on an object, there will be an equal and opposite force. Describe what this means in your own words and provide two examples to help explain your point.

What is the main difference between speed and velocity?

How can you distinguish between an ionic and covalent bond?

What are valence electrons?

Which state of matter takes the shape of its container and has NO definite volume?

Which term describes changing from gas to liquid?

What is a physical property?

What type of charge does an electron have?

How many protons does Boron have?

Show your work to calculate how many neutrons Calcium has.

How many electrons can fit on the 3rd shell of an atom?

Which of these is NOT a way to tell that a chemical reaction is happening?

What makes a reaction exothermic?

What is the big number that you are allowed to change in a chemical equation called?

Balance the following chemical equation.

Balance the following chemical equation.

Which of these is NOT a ‘Base’ metric unit?

Compared to the base unit, what does the prefix ‘kilo-‘ represent?

One one-thousandth (1/1000 or 0.001) base units is represented by which prefix?

Show your work to convert the following measurement.218 g = __________________ kg

Show your work to convert the following measurement.75 mL = __________________ L

Show your work to convert the following measurement.7.77 km = _________________ m

Show your work to convert the following measurement.2.77 m = __________________ cm

Which of the following best describes density?

What is the formula for density?

Liquid oxygen has a volume of 14mL and a mass of 7g. What is the density of liquid oxygen?

The first law of motion states that an object at rest or in motion will remain at rest or in motion...

The third law of motion states that for every force exerted on an object, there will be an equal and opposite force. Describe what this means in your own words and provide two examples to help explain your point.

What is the main difference between speed and velocity?

How can you distinguish between an ionic and covalent bond?

What are valence electrons?

Which state of matter takes the shape of its container and has NO definite volume?

Which term describes changing from gas to liquid?

What is a physical property?

What type of charge does an electron have?

How many protons does Boron have?

Show your work to calculate how many neutrons Calcium has.

How many electrons can fit on the 3rd shell of an atom?

Show your work to convert the following measurement.
218 g = __________________ kg

Show your work to convert the following measurement.
75 mL = __________________ L

Show your work to convert the following measurement.
7.77 km = _________________ m

Show your work to convert the following measurement.
2.77 m = __________________ cm

Show your work to convert the following measurement.
218 g = __________________ kg

Show your work to convert the following measurement.
75 mL = __________________ L

Show your work to convert the following measurement.
7.77 km = _________________ m

Show your work to convert the following measurement.
2.77 m = __________________ cm