What conclusion can you make about the elements shown above?

Carbon has fewer protons in its nucleus than nitrogen.

Phosphorus has more valence electrons than nitrogen.

Phosphorus is more like silicon than it is like nitrogen.

Aluminum is smaller than carbon.

Refer to the Density of Metals at Room Temperature table above. How is the density of a metalrelated to its location on the Periodic Table?

As the metal’s number of electron energy levels increases, the density increases.

As the metal’s atomic number increases, the density increases.

As the metal’s atomic mass increases, the density increases.

As the metal’s number of valence electrons increases, the density increases.

What conclusion can you make about the elements shown above?

Carbon has fewer protons in its nucleus than nitrogen.

Phosphorus has more valence electrons than nitrogen.

Phosphorus is more like silicon than it is like nitrogen.

Aluminum is smaller than carbon.

Observe the atom above. What subatomic particles are found in the nucleus of the atom and how does that contribute to the overall charge of the nucleus?

Neutrons and protons only with an overall positive charge

Neutrons and protons only with an overall negative charge

Neutrons and electrons only with an overall negative charge

Protons and electrons only with an overall neutral charge

In 1913, Niels Bohr proposed a model that illustrates the locations of subatomic particles. While models of the atom have changed with new understanding,the location of the subatomic particles in current models remains similar to Bohr’s model.Which of the following best describes the locations of the three subatomic particles in atoms?

Protons and neutrons are located in the nucleus of the atom, and electrons are located in thecloud around the nucleus.

Protons and neutrons are located in the cloud around the nucleus, and electrons are located inthe nucleus of the atom.

Protons and electrons are located in the cloud around the nucleus, and neutrons are located inthe nucleus of the atom.

Electrons are located in the nucleus of the atom, and protons and neutrons are located in thecloud around the nucleus

Using the table of melting points above, what conclusion can be made?

Alkali Metals have lower melting points than Alkaline Earth Metals.

The melting points of Alkaline Earth Metals are double the melting points

The melting points of both metals increase as you move down the group.

The melting points of both metals decrease as you move down the group.

Which of the following correctly describes the electrical charges of subatomic particles?

Protons/positive; neutrons/neutral; electrons/negative

Protons/positive; neutrons/negative; electrons/neutral

Protons/neutral; neutrons/positive; electrons/negative

Protons/negative; neutrons/neutral; electrons/negative

Which of the following equations follows the law of conservation of mass?

C 2 H 4 + 3O 2 → 2CO 2 + 2H 2 O

Test Review - Intro to Chem Quiz

43 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Refer to the above image. Which of these is NOT found in the nucleus of an atom?

Neutrons

Protons

Atomic mass

Electrons

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the atom models above represents a reactive metal?

Model A

Model B

Model C

Model D

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is the atomic mass of the atom represented in the above graphic?

17

16

33

32

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following elements is represented by the above graphic?

Sulfur

Chlorine

Argon

Arsenic

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is the atomic number of the atom represented in the above graphic?

16

17

18

33

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Refer to the Periodic Table above. A student is asked to identify an element that is a non-reactivegas and does not conduct electricity.Within which group on the Periodic Table would the element most likely be located?

Group 2

Group 14

Group 16

Group 18

Tags

NGSS.HS-PS1-1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following statements is best used to identify the element in the model above?

The atom has 6 neutrons, which identifies this element as Carbon.

The atom has a mass number of 12, which identifies this element as Magnesium.

The atom has 6 protons, which identifies this element as Carbon.

The atom has 12 subatomic particles in the nucleus, which identifies this element as Magnesium

Tags

NGSS.MS-PS1-1

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Test Review - Intro to Chem

Refer to the above image. Which of these is NOT found in the nucleus of an atom?

Which of the atom models above represents a reactive metal?

Which of the following is the atomic mass of the atom represented in the above graphic?

Which of the following elements is represented by the above graphic?

Which of the following is the atomic number of the atom represented in the above graphic?

Refer to the Periodic Table above. A student is asked to identify an element that is a non-reactivegas and does not conduct electricity.Within which group on the Periodic Table would the element most likely be located?

Which of the following statements is best used to identify the element in the model above?

According to the Chemical Compounds table above, how many atoms of hydrogen are in Ethanol?

According to the Chemical Compounds table above, how many total atoms are in Glucose?

Which of the atoms shown above will have the most similar properties to the atom shown below?

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