Test Questions with Chemistry Images

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Grade 8 Matter

Which letter on the diagram best represents when melting occurs?

1. A
2. B
3. C
4. E

Grade 8 Atomic Structure

Kayla draws the image shown as part of her physical science homework.

What did Kayla draw?

1. Bohr model
2. Lewis structure
3. Molecular formula
4. Structural formula

Grade 8 Bonds and Mixing

Look at the electron-dot diagram for magnesium.

An atom of magnesium would be most likely to bond with an atom of which of the following elements?

1. 
2. 
3. 
4. 

Grade 8 Periodic Table and Elements

Which letter shows where noble gases are located on the Periodic Table?

1. A
2. E
3. H
4. J

Grade 8 Matter

The temperature at which the substance is melting is                 the temperature at which the substance is freezing.

1. less than
2. more than
3. the same as

Grade 11 Atomic Structure

Which ion's configuration matches that of the noble gas whose electron-dot diagram is below?

1. [math]"N"^"3-"[/math]
2. [math]"Rb"^"+"[/math]
3. [math]"Ca"^"2+"[/math]
4. None of the above

Grade 11 Atomic Structure

What is true about the following element?

1. It gains 3 valence electrons to form an ion.
2. It loses 5 valence electrons to form an ion.
3. It loses 3 valence electrons to form an ion.
4. It gains 5 valence electrons to form an ion.

Grade 11 Atomic Structure

Given the number of valence electrons shown in the diagram, what can you conclude about this element?

1. It is nonreactive.
2. It only reacts with elements with 6 valence electrons.
3. It is reactive with elements that have 1 valence electron.
4. None of the above

Grade 8 Periodic Table and Elements

The diagram shows the electron-dot diagram of potassium. What does potassium do with electrons to become stable?

1. It gains 1 valence electron.
2. It gains 2 valence electrons.
3. It loses 1 valence electron.
4. It loses 2 valence electrons.

Grade 8 Atomic Structure

The diagram represents Rutherford's Gold Foil experiment. Which statement is a conclusion that came from this experiment?

1. Electrons orbit the nucleus in rings at set distances.
2. The nucleus of an atom is made of protons and neutrons.
3. The probable location of electrons can be predicted using a cloud model.
4. Most of an atom is empty space and its mass is concentrated in its center.

Grade 10 Bonds and Mixing

Look at the electron-dot diagram for hydrogen.

An atom of hydrogen would be most likely to bond with an atom of which of the following elements?

1. 
2. 
3. 
4. 

Grade 8 Periodic Table and Elements

The Lewis structure for the element copper is shown.

1. True
2. False

Grade 8 Atomic Structure

The image shows the electron-dot diagram for a neutral hydrogen atom.

1. True
2. False

Grade 11 Atomic Structure

The electron-dot diagram below represents which of the following?

1. All of the electrons in sodium
2. The valence electrons in sodium
3. The electrons in the first energy level
4. None of the above

Grade 9 Periodic Table and Elements

Which elements are the least reactive?

1. A
2. D
3. I
4. J

Grade 11 Atomic Structure

Based on the number of valence electrons shown in the diagram, what is the probable charge of the ion formed by this specific element?

1. 0
2. +5
3. -5
4. -3

Grade 11 Atomic Structure

In which group would you place the element below?

1. Group 1
2. Group 7
3. Group 17
4. Group 18

Grade 10 Periodic Table and Elements

Which family is the following element in?

1. Noble gases
2. Alkaline earth metals
3. Alkali metals
4. Halogens

Grade 11 Atomic Structure

Which of the following elements can react with the element shown to form a configuration equivalent to that of a noble gas?

1. Sodium
2. Aluminum
3. Magnesium
4. Copper

Grade 10 Acids and Bases

What type of scale is this?           pH scale           
What is it used to measure?                                         measuring the levels of acids or bases