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Question 1

What is the basic unit of a chemical element?

Answer 1

Atom

Question 2

What type of bond involves the sharing of electron pairs between atoms?

Answer 2

Covalent bond

Question 3

True or False: Ionic bonds form between metals and non-metals.

Answer 3

True

Question 4

Fill in the blank: The _____ of an atom is determined by the number of protons it has.

Answer 4

Atomic number

Question 5

What is the charge of a neutron?

Answer 5

Neutral

Question 6

What is the name of the structure formed when many ions are held together by ionic bonds?

Answer 6

Ionic lattice

Question 7

Which type of bonding occurs in metals?

Answer 7

Metallic bonding

Question 8

What is the main characteristic of metallic bonds?

Answer 8

Delocalized electrons

Question 9

True or False: Molecules formed by covalent bonding can be polar or non-polar.

Answer 9

True

Question 10

What is a simple covalent molecule example?

Answer 10

Water (H2O)

Question 11

What type of structure do ionic compounds form?

Answer 11

Giant ionic structure

Question 12

What is the main property of ionic compounds?

Answer 12

High melting and boiling points

Question 13

Fill in the blank: The force of attraction between oppositely charged ions is called _____ attraction.

Answer 13

Electrostatic

Question 14

What is the term for the energy required to break a bond?

Answer 14

Bond dissociation energy

Question 15

What is the shape of a water molecule?

Answer 15

Bent or V-shaped

Question 16

What is an example of a metallic compound?

Answer 16

Copper (Cu)

Question 17

True or False: Covalent compounds conduct electricity in solid form.

Answer 17

False

Question 18

What is the primary reason for the high melting point of ionic compounds?

Answer 18

Strong ionic bonds

Question 19

What type of bond is formed when two atoms have a large difference in electronegativity?

Answer 19

Ionic bond

Question 20

Which type of structure is characteristic of diamond?

Answer 20

Giant covalent structure

Question 21

What is the bond angle in a tetrahedral molecule?

Answer 21

109.5 degrees

Question 22

What does the term ‘electronegativity’ refer to?

Answer 22

The ability of an atom to attract electrons

Question 23

Fill in the blank: In an ionic bond, metals _____ electrons to become positive ions.

Answer 23

Lose

Question 24

What is the formula for sodium chloride?

Answer 24

NaCl

Question 25

What type of bond is formed between two nonmetals?

Answer 25

Covalent bond

Question 26

True or False: All covalent compounds are gases or liquids at room temperature.

Answer 26

False

Question 27

What is the name of the structure formed by carbon atoms in graphite?

Answer 27

Layered structure

Question 28

Which type of bonding is responsible for the malleability and ductility of metals?

Answer 28

Metallic bonding

Question 29

What is the effect of increasing the number of shared electron pairs in a covalent bond?

Answer 29

Increases bond strength

Question 30

What is a common property of covalent compounds?

Answer 30

Lower melting and boiling points compared to ionic compounds

Question 31

Fill in the blank: The _____ model describes the arrangement of electrons in metals.

Answer 31

Sea of electrons

Question 32

What type of intermolecular force is present in water?

Answer 32

Hydrogen bonding

Question 33

What is the term for a group of atoms bonded together that behaves as a single unit?

Answer 33

Molecule

Question 34

True or False: Ionic compounds can conduct electricity when dissolved in water.

Answer 34

True

Question 35

What is the typical bond angle in a linear molecule?

Answer 35

180 degrees

Question 36

What is the main characteristic of a covalent network solid?

Answer 36

Atoms are bonded by covalent bonds in a continuous network

Question 37

What is the formula for carbon dioxide?

Answer 37

CO2

Question 38

What type of bonding is found in metals like gold and silver?

Answer 38

Metallic bonding

Question 39

Fill in the blank: The _____ of an ionic compound is determined by the charge of its ions.

Answer 39

Lattice energy

Question 40

What is the name of the force that holds atoms together in a covalent bond?

Answer 40

Covalent bond

Question 41

What is the primary reason for the conductivity of metals?

Answer 41

Delocalized electrons

Question 42

True or False: Ionic compounds are usually soluble in organic solvents.

Answer 42

False

Question 43

What is the bond angle in a trigonal planar molecule?

Answer 43

120 degrees

Question 44

What do we call the energy required to separate one mole of a substance into its gaseous ions?

Answer 44

Lattice enthalpy

Question 45

Fill in the blank: The _____ theory explains the shape of molecules based on electron pair repulsion.

Answer 45

VSEPR

Question 46

What is the term for the maximum number of electrons that can occupy a single orbital?

Answer 46

Two

Question 47

What type of intermolecular force is generally the weakest?

Answer 47

London dispersion forces

Question 48

What is the primary factor that affects the strength of ionic bonds?

Answer 48

The charge of the ions

Question 49

What is the term for a negatively charged ion?

Answer 49

Anion

Question 50

What is the common name for a substance that can donate a proton?

Answer 50

Acid

Question 51

Fill in the blank: In a polar covalent bond, electrons are shared _____ between the two atoms.

Answer 51

Unequally

Question 52

What is the shape of a molecule with two bonded pairs and no lone pairs?

Answer 52

Linear