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krok68 [10]
4 years ago
14

Name an element or elements in the periodic table that you would expect to be chemically similar to potassium.

Chemistry
1 answer:
Rina8888 [55]4 years ago
6 0
Potassium (K) is in Group I of the periodic table, and elements in the same column (period) are similar. Sodium (Na), or lithium (Li) are similar.
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3 years ago
Naturally occurring Indium has two isotopes.
trasher [3.6K]

Answer:

Average Molar mass is 114.8u

Explanation:

» From the formula of average Relative Atomic Mass [ RAM ]

{ \rm{RAM =  \sum \frac{(isotopic \: mass \times \%abundance)}{100} }} \\

» We have two isotopes of Indium,

  • Indium-113, mass » 112.9u, % » 4.28%
  • Indium-115, mass » 114.9u, % » 95.72%

{ \tt{RAM =  \frac{ \blue{(112.9 \times 4.28)} + { \green{(114.9 \times 95.72)}}}{100} }} \\  \\ { \tt{RAM =  \frac{11481.44}{100} }} \\  \\ { \underline{ \underline{ \tt{ \: RAM = 114.8\: }}}}

3 0
2 years ago
Which of the following is TRUE? A) The equivalence point is where the amount of acid equals the amount of base during any acid-b
liberstina [14]

Answer:

the correct option is B

Explanation:

The correct option is b, since if we reach pH 7, it means that the acid-base reaction is neutralized, therefore the base has been neutralized by an acid or vice versa, without taking into account the proteins or the amounts of both components .

5 0
3 years ago
Read 2 more answers
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