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bogdanovich [222]
3 years ago
14

Which of the following distinguishes the isotope mercury-196 from the isotope mercury-199?

Chemistry
1 answer:
Margaret [11]3 years ago
8 0
The correct answer is C.
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39. Analyze What subscripts would you most likely use if
Igoryamba

Based on their valencies, the subscripts of the ionic compounds formed will be:

  • 1 and 1
  • 2 and 1
  • 1 and 2
  • 2 and 2

<h3>What subscripts would you most likely use if the following substances formed an ionic compound?</h3>

A. An alkali metal and a halogen.

An alkali metal and a halogen both have valencies of one.

Therefore the subscripts would be 1.

B. An alkali metal and a non-metal from group 16.

An alkali metal has a valency of 1 and a group 16 non-metal has a valency of 2.

By exchange of valencies, the subscript would be 2 and 1.

C. An alkaline earth metal and a halogen.

An alkaline earth metal has a valency of 2 and a halogen has a valency of 1.

By exchange of valencies, the subscripts would be 1 and 2.

D. An alkaline earth metal and a non-metal from group 16.

An alkaline earth metal has a valency of 2 and a non-metal from group 16 has a valency of 2.

By exchange of valencies, the subscripts would be 2 and 2.

Therefore, the subscripts of the ionic compounds formed will be:

  • 1 and 1
  • 2 and 1
  • 1 and 2
  • 2 and 2

Learn more about about valency at: brainly.com/question/2284519

4 0
3 years ago
An iminium ion is formed as an intermediate in a stork enamine reaction. the iminium is subsequently hydrolyzed with water. comp
Dvinal [7]
Below is the mechanism showing the hydrolysis of Iminium Ion into aldehye. The arrows are shown in RED.

7 0
3 years ago
Please fill in the blank: structures are fully functional, show evidence of a common ancestor, and may or may not have the same
Vinil7 [7]

Answer:

<em>Hello There. The answer is Both </em>provide evidence<em> for evolution. Homologous  </em>structures <em>are structures that are similar in related organisms because they were inherited from a </em>common ancestor. <em>These </em>structures may or may not have the same function <em>in the descendants. </em>

Hope It Helps!

7 0
3 years ago
While in Europe, if you drive 111 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per lite
kifflom [539]
First put everything into the same measurements.
111 km = 111km
42mpg = 67.592kpg
1 U.K. Gallon = 4.546 liters
67.592/4.546 = 14.8684557853
42mpg = 14.87kpl (kilometers per liter)
1.10 euros/liter = 1.10 euros/liter

If you drive 111 km a day and go 14.87 km a liter, divide 111 by 14.87 to get about 7.46, which is how many liters you will use a day. Multiply the price, 1.10 euros, by the number of liters, 7.46, to get the daily price of gas, which is about 8.206 a day. Multiply by 7 (num of days in week) to get about 57.44

It cost about 57.44 euros for one week of gas.

I hope I'm not too late! And hopefully that is right! No guarantees lol
5 0
3 years ago
Write the following balanced chemical equations for the following reactions.
sleet_krkn [62]

Answer:

2k+2hcl---2kcl+h2

Explanation:

because we have to balance it and in order to balance it we have to make it in equal form

6 0
3 years ago
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