Quiz about 7 Trimester II Physical Science Exam

Question 1

Who first proposed the idea that matter is made up of tiny indivisible particles called "atomos"?

Accepted Answer

Democritus

Answer

John Dalton

Answer

J.J. Thomson

Answer

Ernest Rutherford

Question 2

What discovery did J.J. Thomson make using the cathode ray tube experiment?

Accepted Answer

Electrons

Answer

Protons

Answer

Neutrons

Answer

Atomic Nucleus

Question 3

Which atomic model suggests that electrons orbit the nucleus in specific energy levels?

Accepted Answer

Bohr Model

Answer

Plum Pudding Model

Answer

Nuclear Model

Answer

Electron Cloud Model

Question 4

Which group contains the noble gases?

Accepted Answer

Group 18

Answer

Group 1

Answer

Group 2

Answer

Group 17

Question 5

What type of wave requires a medium to travel through?

Accepted Answer

Mechanical wave

Answer

Electromagnetic wave

Answer

X-ray

Answer

Gamma ray

Question 6

What is the unit of frequency?

Accepted Answer

Hertz

Answer

Meters

Answer

Joules

Answer

Newtons

Question 7

Which type of electromagnetic wave has the shortest wavelength?

Accepted Answer

Gamma rays

Answer

Radio waves

Answer

Microwaves

Answer

Infrared waves

Question 8

The octet rule states that atoms tend to have how many electrons in their outer shell?

Accepted Answer

8

Answer

2

Answer

6

Answer

10

Question 9

Which type of electromagnetic wave has the longest wavelength?

Accepted Answer

Radio waves

Answer

Gamma rays

Answer

X-rays

Answer

Ultraviolet rays

Question 10

What happens to the speed of a wave if its frequency increases but the wavelength remains the same?

Accepted Answer

Increases

Answer

Decreases

Answer

Stays the same

Answer

Cannot be determined

Question 11

What is an ion?

Accepted Answer

An atom that has lost or gained electrons

Answer

A neutral atom

Answer

A molecule

Answer

A neutron-heavy atom

Question 12

Which of the following is a characteristic of metals?

Accepted Answer

Malleable and ductile

Answer

Poor conductors

Answer

Brittle

Answer

Dull in appearance

Question 13

Which type of wave requires a medium to travel?

Accepted Answer

Mechanical

Answer

Electromagnetic

Answer

Radio

Answer

Gamma

Question 14

What is the charge of a neutron?

Accepted Answer

Neutral

Answer

Positive

Answer

Negative

Answer

None

Question 15

Which electromagnetic wave has the highest energy?

Accepted Answer

Gamma rays

Answer

Radio waves

Answer

Microwaves

Answer

X-rays

Question 16

What is the relationship between wavelength and frequency?

Accepted Answer

Inversely proportional

Answer

Directly proportional

Answer

No relationship

Answer

They are equal

Question 17

Which of the following elements is a transition metal?

Accepted Answer

Iron

Answer

Oxygen

Answer

Silicon

Answer

Helium

Question 18

What do elements in the same period of the periodic table have in common?

Accepted Answer

Same number of electron shells

Answer

Same number of valence electrons

Answer

Same atomic number

Answer

Same chemical properties

Question 19

Which of the following is an example of an ionic compound?

Accepted Answer

NaCl

Answer

CO2

Answer

CH4

Answer

H2O

Question 20

Which element is most likely to form a cation?

Accepted Answer

Sodium

Answer

Fluorine

Answer

Oxygen

Answer

Chlorine

Question 21

What type of bond forms between two non-metals? What type of bonding is found in metals, where electrons are free to move?

Accepted Answer

Ionic

Accepted Answer

Metallic

Accepted Answer

Covalent

Question 22

Which property increases as you move from left to right across a period on the periodic table?

Accepted Answer

Electronegativity

Answer

Atomic radius

Answer

Reactivity

Answer

Metallic character

Question 23

What determines the energy of a wave?

Accepted Answer

Frequency and wavelength

Answer

Speed and amplitude

Answer

Mass and volume

Answer

Number of oscillations

Question 24

Which of the following statements about noble gases is true?

Accepted Answer

They have full outer electron shells

Answer

They easily form compounds

Answer

They are highly reactive with water

Answer

They are found in Group 1 of the periodic table

Question 25

What do all elements in a period have in common?

Accepted Answer

Same energy levels

Answer

Same number of valence electrons

Answer

Same atomic number

Answer

Same properties

Question 26

Which of the following elements is a transition metal?

Accepted Answer

Iron

Answer

Oxygen

Answer

Sodium

Answer

Neon

Question 27

Which type of chemical bond involves the sharing of electrons?

Accepted Answer

Covalent

Answer

Ionic

Answer

Metallic

Answer

Hydrogen

Question 28

Which of the following is an example of an ionic compound?

Accepted Answer

NaCl

Answer

CO2

Answer

CH4

Answer

H2O

Question 29

Determine if the elements in NO2 are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

Element 1: N = non-metal, Element 2: O = non-metal, Bond Type: covalent.

Answer

Element 1: N = metal, Element 2: O = non-metal, Bond Type: ionic.

Answer

Element 1: N = non-metal, Element 2: O = metal, Bond Type: metallic.

Answer

Element 1: N = metal, Element 2: O = metal, Bond Type: covalent.

Question 30

Determine if the elements in NaCl are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in NaCl are sodium (Na), which is a metal, and chlorine (Cl), which is a non-metal. The type of bonding that occurs in NaCl is ionic bonding.

Answer

The elements in NaCl are sodium (Na), which is a non-metal, and chlorine (Cl), which is a metal. The type of bonding that occurs in NaCl is covalent bonding.

Answer

The elements in NaCl are sodium (Na), which is a metal, and chlorine (Cl), which is a non-metal. The type of bonding that occurs in NaCl is metallic bonding.

Answer

The elements in NaCl are sodium (Na), which is a non-metal, and chlorine (Cl), which is a non-metal. The type of bonding that occurs in NaCl is hydrogen bonding.

Question 31

Determine if the elements in SO2 are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in SO2 are non-metals (sulfur and oxygen). The type of bonding that occurs in the compound is covalent bonding.

Answer

The elements in SO2 are metals (sulfur and oxygen). The type of bonding that occurs in the compound is ionic bonding.

Answer

The elements in SO2 are non-metals (sulfur and oxygen). The type of bonding that occurs in the compound is metallic bonding.

Answer

The elements in SO2 are metals (sulfur and oxygen). The type of bonding that occurs in the compound is covalent bonding.

Question 32

Determine if the elements in PI3 are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in PI3 (phosphorus triiodide) are non-metals. The type of bonding that occurs in PI3 is covalent bonding.

Answer

The elements in PI3 (phosphorus triiodide) are metals. The type of bonding that occurs in PI3 is ionic bonding.

Answer

The elements in PI3 (phosphorus triiodide) are non-metals. The type of bonding that occurs in PI3 is metallic bonding.

Answer

The elements in PI3 (phosphorus triiodide) are metals. The type of bonding that occurs in PI3 is covalent bonding.

Question 33

Determine if the elements in MgBr2 are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in MgBr2 are magnesium (Mg), which is a metal, and bromine (Br), which is a non-metal. The type of bonding that occurs in MgBr2 is ionic bonding, as magnesium donates electrons to bromine, resulting in the formation of $$Mg^{2+}$$ and $$Br^{-}$$ ions.

Answer

The elements in MgBr2 are magnesium (Mg), which is a non-metal, and bromine (Br), which is a metal. The type of bonding that occurs in MgBr2 is covalent bonding, as both elements share electrons.

Answer

The elements in MgBr2 are magnesium (Mg), which is a metal, and bromine (Br), which is a metal. The type of bonding that occurs in MgBr2 is metallic bonding, as both elements share a sea of electrons.

Answer

The elements in MgBr2 are magnesium (Mg), which is a non-metal, and bromine (Br), which is a non-metal. The type of bonding that occurs in MgBr2 is hydrogen bonding, as both elements form hydrogen bonds.

Question 34

Determine if the elements in CaO are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in CaO are calcium (Ca), which is a metal, and oxygen (O), which is a non-metal. The type of bonding that occurs in CaO is ionic bonding.

Answer

The elements in CaO are both metals, and the type of bonding is covalent bonding.

Answer

The elements in CaO are both non-metals, and the type of bonding is metallic bonding.

Answer

The elements in CaO are calcium (Ca), which is a non-metal, and oxygen (O), which is a metal. The type of bonding that occurs in CaO is covalent bonding.

Question 35

Determine if the elements in H2O are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in H2O (hydrogen and oxygen) are non-metals. The type of bonding that occurs in the compound is covalent bonding.

Answer

The elements in H2O (hydrogen and oxygen) are metals. The type of bonding that occurs in the compound is ionic bonding.

Answer

The elements in H2O (hydrogen and oxygen) are non-metals. The type of bonding that occurs in the compound is ionic bonding.

Answer

The elements in H2O (hydrogen and oxygen) are metals. The type of bonding that occurs in the compound is covalent bonding.

Question 36

Determine if the elements in K2O are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in K2O are metals (potassium) and non-metals (oxygen). The type of bonding that occurs in K2O is ionic bonding.

Answer

The elements in K2O are non-metals (potassium) and metals (oxygen). The type of bonding that occurs in K2O is covalent bonding.

Answer

The elements in K2O are metals (potassium) and non-metals (oxygen). The type of bonding that occurs in K2O is covalent bonding.

Answer

The elements in K2O are non-metals (potassium) and metals (oxygen). The type of bonding that occurs in K2O is metallic bonding.

Question 37

Determine if the elements in AlF3 are metals or non-metals and describe the type of bonding that occurs in the compound.

Accepted Answer

The elements in AlF3 are aluminum (Al), which is a metal, and fluorine (F), which is a non-metal. The type of bonding that occurs in AlF3 is ionic bonding.

Answer

The elements in AlF3 are aluminum (Al), which is a non-metal, and fluorine (F), which is a metal. The type of bonding that occurs in AlF3 is covalent bonding.

Answer

The elements in AlF3 are aluminum (Al), which is a metal, and fluorine (F), which is a non-metal. The type of bonding that occurs in AlF3 is metallic bonding.

Answer

The elements in AlF3 are aluminum (Al), which is a non-metal, and fluorine (F), which is a non-metal. The type of bonding that occurs in AlF3 is ionic bonding.

Question 38

Fill in the table with the correct information for Oxygen: Number of Valence Electrons and Lewis Dot Structure.

Accepted Answer

Oxygen has 6 valence electrons and its Lewis Dot Structure is represented as :O:

Answer

Oxygen has 8 valence electrons and its Lewis Dot Structure is represented as :O::

Answer

Oxygen has 4 valence electrons and its Lewis Dot Structure is represented as :O:

Answer

Oxygen has 2 valence electrons and its Lewis Dot Structure is represented as :O:

Question 39

Fill in the table with the correct information for Calcium: Number of Valence Electrons and Lewis Dot Structure.

Accepted Answer

Calcium has 2 valence electrons and its Lewis Dot Structure is Ca:

Answer

Calcium has 1 valence electron and its Lewis Dot Structure is Ca.

Answer

Calcium has 3 valence electrons and its Lewis Dot Structure is Ca::

Answer

Calcium has 4 valence electrons and its Lewis Dot Structure is Ca:::.

Question 40

Fill in the table with the correct information for Aluminum: Number of Valence Electrons and Lewis Dot Structure.

Accepted Answer

Aluminum has 3 valence electrons and its Lewis Dot Structure is Al with 3 dots around it.

Answer

Aluminum has 2 valence electrons and its Lewis Dot Structure is Al with 2 dots around it.

Answer

Aluminum has 1 valence electron and its Lewis Dot Structure is Al with 1 dot around it.

Answer

Aluminum has 4 valence electrons and its Lewis Dot Structure is Al with 4 dots around it.

Question 41

44. Describe how the Bohr Model differs from the Electron Cloud Model of the atom.

Accepted Answer

The Bohr Model depicts electrons in fixed orbits, while the Electron Cloud Model shows probable locations of electrons.

Answer

The Bohr Model shows electrons in a cloud, while the Electron Cloud Model depicts fixed orbits.

Answer

Both models depict electrons in fixed orbits.

Answer

Both models show electrons in a cloud.

Question 42

46. What are metalloids, and how do their properties compare to metals and non-metals?

Accepted Answer

Metalloids are elements with properties intermediate between metals and non-metals.

Answer

Metalloids are elements with properties similar to metals only.

Answer

Metalloids are elements with properties similar to non-metals only.

Answer

Metalloids are elements with no distinct properties.

Question 43

47. Calculate the speed of a wave with a frequency of 8 Hz and a wavelength of 3 meters.

Accepted Answer

24 m/s

Answer

11 m/s

Answer

16 m/s

Answer

32 m/s

Question 44

48. What happens to an atom when it loses or gains electrons? Define cations and anions.

Accepted Answer

An atom becomes a cation when it loses electrons and an anion when it gains electrons.

Answer

An atom becomes an anion when it loses electrons and a cation when it gains electrons.

Answer

An atom becomes neutral when it loses or gains electrons.

Answer

An atom becomes a cation when it gains electrons and an anion when it loses electrons.

Question 45

49. Compare and contrast ionic and covalent bonding with examples.

Accepted Answer

Ionic bonding involves the transfer of electrons, while covalent bonding involves the sharing of electrons.

Answer

Ionic bonding involves the sharing of electrons, while covalent bonding involves the transfer of electrons.

Answer

Both ionic and covalent bonding involve the sharing of electrons.

Answer

Both ionic and covalent bonding involve the transfer of electrons.

Question 46

50. What is the relationship between wavelength and frequency in the electromagnetic spectrum?

Accepted Answer

They are inversely proportional.

Answer

They are directly proportional.

Answer

They are unrelated.

Answer

They are equal.

7 Trimester II Physical Science Exam

50 questions

Who first proposed the idea that matter is made up of tiny indivisible particles called "atomos"?

What discovery did J.J. Thomson make using the cathode ray tube experiment?

What was the major finding of Rutherford’s gold foil experiment?

Which atomic model suggests that electrons orbit the nucleus in specific energy levels?

Which subatomic particle determines an element’s atomic number?

Which group contains the noble gases?

What type of wave requires a medium to travel through?

What is the unit of frequency?

Which type of electromagnetic wave has the shortest wavelength?

The octet rule states that atoms tend to have how many electrons in their outer shell?

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