Laser_3

The nitrogen molecule has 10 total valence electrons. (True or false?)

The nitrogen molecule has 10 total valence electrons. (True or false?)

The nitrogen molecule has 10 total valence electrons.
State whether this is true or false. Thanks!

centromere   105   2 Replies

centromere

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between ...

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between ...

The electrons in a carbon-chlorine covalent bond are "shared" exactly equally between these two atoms.
State whether this is true or false

centromere   109   2 Replies

centromere

If the electronegativity difference between the two atoms that make up a bond is 2.1, then the bond ...

If the electronegativity difference between the two atoms that make up a bond is 2.1, then the bond ...

If the electronegativity difference between the two atoms that make up a bond is 2.1, then the bond is considered polar covalent.
State whether this is true or false

centromere   81   2 Replies

centromere

The least electronegative element is oxygen. (True or false?)

The least electronegative element is oxygen. (True or false?)

The least electronegative element is oxygen.
State whether this is true or false

centromere   120   2 Replies

centromere

Compounds formed from carbon and hydrogen should be ionic in character. (True or false?)

Compounds formed from carbon and hydrogen should be ionic in character. (True or false?)

Compounds formed from carbon and hydrogen should be ionic in character.
State whether this is true or false

centromere   122   2 Replies

centromere

Magnesium in magnesium chloride has two bonds and two non-bonded pair of electrons. (True or false?)

Magnesium in magnesium chloride has two bonds and two non-bonded pair of electrons. (True or false?)

Magnesium in magnesium chloride has two bonds and two non-bonded pair of electrons.
State whether this is true or false

centromere   131   2 Replies

centromere

Sodium chloride has bonded pairs of electrons. (True or false?)

Sodium chloride has bonded pairs of electrons. (True or false?)

Sodium chloride has bonded pairs of electrons.
State whether this is true or false

centromere   65   2 Replies

centromere

The nitrite, sulfite and bicarbonate anions have the same number of hydrogen atoms. (True or false?)

The nitrite, sulfite and bicarbonate anions have the same number of hydrogen atoms. (True or false?)

The nitrite, sulfite and bicarbonate anions have the same number of hydrogen atoms.
State whether this is true or false

centromere   96   2 Replies

centromere

The ion P3- is named phosphate. (True or false?)

The ion P3- is named phosphate. (True or false?)

The ion P3- is named phosphate.
State whether this is true or false

centromere   56   2 Replies

centromere

The compound P2O5 is named diphosphorus pentaoxide. (True or false?)

The compound P2O5 is named diphosphorus pentaoxide. (True or false?)

The compound P2O5 is named diphosphorus pentaoxide.
State whether this is true or false. Thanks!

centromere   77   2 Replies

centromere

The chemical compound, Na2S, has the is named sodium sulfate. (True or false?)

The chemical compound, Na2S, has the is named sodium sulfate. (True or false?)

The chemical compound, Na2S, has the is named sodium sulfate.
State whether this is true or false

centromere   84   2 Replies

centromere

Carbon may have a +4 or -4 charge. (True or false?)

Carbon may have a +4 or -4 charge. (True or false?)

Carbon may have a +4 or -4 charge.
State whether this is true or false. Thanks!

centromere   73   2 Replies

centromere

The correct name for ammonia is nitrogen hydride. (True or false?)

The correct name for ammonia is nitrogen hydride. (True or false?)

The correct name for ammonia is nitrogen hydride.
State whether this is true or false

centromere   60   2 Replies

centromere

Another name for the hydrogen sulfate anion is bisulfate. (True or false?)

Another name for the hydrogen sulfate anion is bisulfate. (True or false?)

Another name for the hydrogen sulfate anion is bisulfate.
State whether this is true or false. Thanks!

centromere   81   2 Replies

centromere

Twice as many hydrogen atoms than oxygen atoms are present in the acetate anion. (True or false?)

Twice as many hydrogen atoms than oxygen atoms are present in the acetate anion. (True or false?)

Twice as many hydrogen atoms than oxygen atoms are present in the acetate anion.
State whether this is true or false

centromere   174   2 Replies

centromere

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.State ...

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.State ...

Twice as many oxygen atoms than hydrogen atoms are present in the dihydrogen phosphate anion.
State whether this is true or false. Thanks!

centromere   201   2 Replies

centromere

The bicarbonate, bisulfate and dihydrogen phosphate anions have the same number of hydrogen ...

The bicarbonate, bisulfate and dihydrogen phosphate anions have the same number of hydrogen ...

The bicarbonate, bisulfate and dihydrogen phosphate anions have the same number of hydrogen atoms.
State whether this is true or false

centromere   168   2 Replies

centromere

The chlorate, bisulfate, and chromate anions are called oxyanions. (True or false?)

The chlorate, bisulfate, and chromate anions are called oxyanions. (True or false?)

The chlorate, bisulfate, and chromate anions are called oxyanions.
State whether this is true or false. Thanks!

centromere   53   2 Replies

centromere

The number of valence electrons in the ammonium ion is 10. (True or false?)

The number of valence electrons in the ammonium ion is 10. (True or false?)

The number of valence electrons in the ammonium ion is 10.
State whether this is true or false

centromere   134   2 Replies

centromere

When vaporized into steam water molecules decompose into hydrogen and oxygen molecules. (True or false?)

When vaporized into steam water molecules decompose into hydrogen and oxygen molecules. (True or false?)

When vaporized into steam water molecules decompose into hydrogen and oxygen molecules.
State whether this is true or false

centromere   134   2 Replies

centromere

The negatively charged species is written first when writing a formula. (True or false?)

The negatively charged species is written first when writing a formula. (True or false?)

The negatively charged species is written first when writing a formula.
State whether this is true or false

centromere   75   2 Replies

centromere

Ammonium chloride may be considered as an exception of an ionic compound although it does not ...

Ammonium chloride may be considered as an exception of an ionic compound although it does not ...

Ammonium chloride may be considered as an exception of an ionic compound although it does not include any metals in its formula.
State whether this is true or false. Thanks!

centromere   90   2 Replies

centromere

How many valence electrons are required from each element when constructing a complete Lewis dot ...

How many valence electrons are required from each element when constructing a complete Lewis dot ...

How many valence electrons are required from each element when constructing a complete Lewis dot structure of the compound CF2C12?

centromere   95   2 Replies

centromere

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many ...

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many ...

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many lone pairs of electrons does the central atom have?
A) 2
B) 1
C) 4
D) 3

centromere   124   2 Replies

centromere

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how ...

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how ...

In a molecule having three pairs of electrons around a central atom and a trigonal planar shape, how many lone pairs of electrons does the central atom have?
A) 1
B) 0
C) 2
D) 3

centromere   117   2 Replies

centromere

Which of the following statements is correct about the bent structure?

Which of the following statements is correct about the bent structure?

Which of the following statements is correct about the bent structure?
A) The bent structure has three bonding electrons pairs with at least one lone pair around the central atom.
B) The bent structure is the shape of the ammonia molecule.

centromere   72   2 Replies

centromere

Which of the following molecules is not linear?

Which of the following molecules is not linear?

Which of the following molecules is not linear?
A) hydrogen cyanide
B) beryllium chloride
C) boron trifluoride
D) acetylene, C2H2

centromere   88   2 Replies

centromere

Which of the following molecules is linear?

Which of the following molecules is linear?

Which of the following molecules is linear?
A) hydrogen chloride
B) ethane, C2H6
C) ethene, C2H4
D) ammonia

centromere   72   2 Replies

centromere

Which of the following molecules is not tetrahedral?

Which of the following molecules is not tetrahedral?

Which of the following molecules is not tetrahedral?
A) carbon tetrachloride
B) chloroform, CHCl3
C) methane, CH4
D) boron trifluoride

centromere   102   2 Replies

centromere

Which of the following molecules is bent?

Which of the following molecules is bent?

Which of the following molecules is bent?
A) water
B) sulfur dioxide
C) carbon dioxide
D) both A and B

centromere   86   2 Replies

centromere

Which of the following molecules is bent and has a bond angle close to 118° around the central ...

Which of the following molecules is bent and has a bond angle close to 118° around the central ...

Which of the following molecules is bent and has a bond angle close to 118° around the central atom?
A) sulfur dioxide
B) boron trifluoride
C) ammonia
D) both A and C

centromere   63   2 Replies

centromere

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central ...

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central ...

Which of the following molecules is pyramidal and has a bond angle close to 107° around the central atom?
A) sulfur dioxide
B) boron trifluoride
C) ammonia
D) both A and C

centromere   61   2 Replies

centromere

The angle around nitrogen in the ammonium ion is ________.

The angle around nitrogen in the ammonium ion is ________.

The angle around nitrogen in the ammonium ion is ________.
A) 60°
B) 90°
C) 109.5°
D) 120°

centromere   94   2 Replies

centromere

What is the molecular shape of CC14?

What is the molecular shape of CC14?

What is the molecular shape of CC14?
A) tetrahedral
B) pyramidal
C) linear
D) bent

centromere   58   2 Replies

centromere

What is the steric number of the central atom in carbon disulfide?

What is the steric number of the central atom in carbon disulfide?

What is the steric number of the central atom in carbon disulfide?
A) 1
B) 2
C) 3
D) 4

centromere   165   2 Replies

centromere

Which of the following compounds would be soluble in a nonpolar solvent?

Which of the following compounds would be soluble in a nonpolar solvent?

Which of the following compounds would be soluble in a nonpolar solvent?
A) H2S
B) NH3
C) CC14
D) SO2

centromere   108   2 Replies

centromere

Which of the following compounds would you expect to be the most polar molecule?

Which of the following compounds would you expect to be the most polar molecule?

Which of the following compounds would you expect to be the most polar molecule?
A) H2S
B) H2Se
C) H2Te
D) H2O

centromere   53   2 Replies

centromere

Which of the following compounds contains bonds that are the most polar (greatest electronegativity ...

Which of the following compounds contains bonds that are the most polar (greatest electronegativity ...

Which of the following compounds contains bonds that are the most polar (greatest electronegativity difference between hydrogen and the central atom)?
A) H2O
B) H2S
C) H2Se
D) H2Te

centromere   65   2 Replies

centromere

Which of the following compounds is non-polar?

Which of the following compounds is non-polar?

Which of the following compounds is non-polar?
A) acetylene, C2H2
B) ethene, C2H4
C) methane
D) All of the above are non-polar.

centromere   74   2 Replies

centromere

Which of the following sulfur-containing compounds or ions is not polar?

Which of the following sulfur-containing compounds or ions is not polar?

Which of the following sulfur-containing compounds or ions is not polar?
A) SO3
B) H2S
C) HS-
D) SOCl2

centromere   144   2 Replies

centromere