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PtichkaEL [24]
3 years ago
5

A student knows that hydrogen (H) atoms and oxygen (O) atoms combine to form water (H2O). The student correctly predicts that hy

drogen (H) and sulfur (S) will combine to form hydrogen sulfide (H2S) On what is this prediction most likely based?
A. Oxygen and sulfur are in the same family with the same number of valence electrons.
B. Oxygen and sulfur are in the same period or row with the same number of neutrons
C. Oxygen and sulfur are in the same period or row with the same number of protons
D. Oxygen and sulfur are in the same family with the same number of energy levels.
Chemistry
1 answer:
marusya05 [52]3 years ago
6 0

Answer:

A

Explanation:

They both need to lose 2 electrons to form ions

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What component of amino acid structure varies among different amino acids?
givi [52]

Answer

The components of the r group of amino acid structure varies among different amino acids

Explanation  

As the functional group for amino acids is as:  

R-CH-COOH  

 I  

NH2  

only R differs so amino acids also differs. If R is “H” then amino acid is glycine and if R is “CH3” then amino acid is alanine. Hence, R is different for different amino acids. Other components as alpha carbon ( C ), carboxyl group ( COOH ) and amino group ( NH2 ) is fixed for every amino acid.  

8 0
3 years ago
What would happen to the rate of a reaction with rate law rate = k [NO]2[Hz] if
leonid [27]
The rate of a reaction with this rate law would increase by a factor of 4 if NO concentration were doubled.
8 0
3 years ago
A student following the reaction seen here calculated a theoretical yield of 38.3g C₆H₅Cl but when he did the experiment in the
Reil [10]

Answer:

96.1 %

Explanation:

Which teacher do you have lol

7 0
3 years ago
A student found the mass of the irregular solid to be 6.4 grams and the volume on the graduated cylinder rose from 6.8 mL to 7.7
Sedaia [141]

Density, Volume and Mass

3. A metal weighing 7.101 g is placed in a graduated cylinder containing 33.0 mL of water. The water

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a) Calculate the density of the metal (in g/mL).

b) If you were to do this with an equal mass of aluminum (d = 2.7 g/mL), how high would the water rise?

7 0
3 years ago
Help please
aleksklad [387]
C. The number of neutrons
Since Carbon 12 has 6 neutrons
And carbon 13 has 7 neutrons.
You know that elements have equal protons (atomic number) and electrons
5 0
2 years ago
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