Chemical Bonds Challenge

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Test your knowledge of chemical bonds and shapes and polarity.

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Ayara Clara Souza Da Silva

Brazil

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Chemical Bonds Challenge

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Chemical Bonds Challenge


Froggy Jumps Chemical Bonds ChallengeVersion en ligne Test your knowledge of chemical bonds and shapes and polarity. par Ayara Clara Souza Da Silva 1 What type of bond involves transfer of electrons? a Metallic Bond b Covalent Bond c Ionic Bond 2 Which bond features a 'sea of electrons' a Metallic Bond b Ionic Bond c Covalent Bond 3 What is the VSEPR stands for? a Valence Electron Shared Pairs Repulsion b Vacuum Shell Electron Pair Repulsion c Valence Shell Electron Pair Repulsion 4 What EN difference typically indicates an ionic bond? a 1.8 or greater b 0.5 (polar covalent) c 0.3 (nonpolar) 5 What is the molecular geometry of CH4? a Linear b Bent c Tetrahedral 6 Which molecule has a tetrahedral shape? a H2O b CO2 c CH4 7 Which molecule is nonlinear? a H2O b CH4 c CO2 8 Which molecule is linear? a CO2 b NH3 c H2O 9 Why do ionic compounds have high melting points? a Low ion charge b Weak intermolecular forces c Strong lattice energy 10 What type of bonding occurs in metals? a Covalent bonding b Metallic bonding c Ionic bonding 11 Valence electrons are transferred in this type of chemical bonding. a Metallic b Ionic c Covalent 12 Which molecule does NOT have a trigonal pyramidal molecular geometry? a NI3 b PCl3 c BF3 13 Which formula represents an ionic compound? a KCl b NO2 c CO2 14 Non-metals tend to ____________ electrons to become __________ions. a gain, negative b gain, neutral c lose, neutral 15 Which molecule is nonlinear? a H2O b BeF2 c O2 16 Classify the molecular shape of a CCl4 molecule. a Trigonal planar b Bent c Tetrahedral 17 Which of the following is true of covalent compounds? a They are brittle. b They have higher boiling points than ionic compounds. c They have lower melting points than ionic compounds 18 Valence electrons are shared in this type of chemical bonding. a Covalent b Metallic c Ionic 19 Which molecule is nonlinear? a H2O b CO2 c NH3 20 Identify the molecular shape of the following molecule: NO2- ion. a Linear b Trigonal planar c Bent 21 Does this follow the octet rule? a No b Sometimes c Yes 22 Which pair of elements forms an ionic bond? a C and O b Na and Br c N and H 23 Which bond is the most polar covalent? a O–F b C–H c Br–Br 24 A molecule with 2 bonding pairs and 2 lone pairs is what shape? a Linear b Tetrahedral c Bent 25 Which is NOT a property of ionic compounds? a Low melting points b Form crystal lattice structures c Conduct electricity when dissolved 26 A trigonal planar molecule has bond angles of? a 109.5° b 120° c 180° 27 Which compound has a nonpolar overall molecule? a CO2 b NH3 c H2O 28 Metals are malleable because? a Ion-electron attraction is weak b Electrons can move freely past each other c They contain ionic bonds 29 How many single bonds are found in NH3? a 2 b 1 c 3 30 The central atom in PF_3 has how many lone pairs? a 1 b 2 c 0 31 The EN difference for Na (0.9) and Cl (3.0) predicts what bond? a Nonpolar covalent b Polar covalent c Ionic

Chemical Bonds Challenge

Froggy Jumps

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Chemical Bonds ChallengeVersion en ligne

par Ayara Clara Souza Da Silva

What type of bond involves transfer of electrons?

Which bond features a 'sea of electrons'

What is the VSEPR stands for?

What EN difference typically indicates an ionic bond?

What is the molecular geometry of CH4?

Which molecule has a tetrahedral shape?

Which molecule is nonlinear?

Which molecule is linear?

Why do ionic compounds have high melting points?

What type of bonding occurs in metals?

Valence electrons are transferred in this type of chemical bonding.

Which molecule does NOT have a trigonal pyramidal molecular geometry?

Which formula represents an ionic compound?

Non-metals tend to ____________ electrons to become __________ions.

Which molecule is nonlinear?

Classify the molecular shape of a CCl4 molecule.

Which of the following is true of covalent compounds?

Valence electrons are shared in this type of chemical bonding.

Which molecule is nonlinear?

Identify the molecular shape of the following molecule: NO2- ion.

Does this follow the octet rule?

Which pair of elements forms an ionic bond?

Which bond is the most polar covalent?

A molecule with 2 bonding pairs and 2 lone pairs is what shape?

Which is NOT a property of ionic compounds?

A trigonal planar molecule has bond angles of?

Which compound has a nonpolar overall molecule?

Metals are malleable because?

How many single bonds are found in NH3?

The central atom in PF_3 has how many lone pairs?

The EN difference for Na (0.9) and Cl (3.0) predicts what bond?

Non-metals tend to __ electrons to become ions.