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tangare [24]
2 years ago
11

Which of the following is a characteristic of the actinides?

Chemistry
1 answer:
Gekata [30.6K]2 years ago
5 0

Answer:

They are all radioactive

Explanation:

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Predict whether a precipitation reaction will occur when aqueous solutions of pbcl2 and (nh4)2s
Nutka1998 [239]
Answer : YES, The precipitation reaction will occur.

Explanation : When we mix the aqueous solutions of Lead chloride and Ammonium sulfide a reaction will occur which is stated below :

PbCl_{2} +(NH_{4}) _{2} S ----\ \textgreater \  PbS + 2[ (NH_{4})Cl]

The major product that is formed is Lead sulfate which is black in colour.

Once the reaction is complete one can observe a black precipitate getting obtained. 
5 0
3 years ago
In a chemical reaction, which symbol should be used to indicate a substance is in solution
tresset_1 [31]
The symbol used to indicate a substance is (aq).
4 0
3 years ago
In which state of matter do the particles spread apart and fill all the space available to them?
BlackZzzverrR [31]
I would say c-gas because they float around and spread
7 0
2 years ago
Read 2 more answers
Which of the following are polyatomic ions? Check all that apply
stellarik [79]

Answer:

NH4 is the correct ans

Explanation:

Mark as brainliest

6 0
3 years ago
Which elements are out of order in terms of atomic mass. co,Ni or Li,be or I,xe​
valkas [14]

Answer:

The pair co,Ni is out of order in terms of atomic mass

Explanation:

For co,Ni

Atomic mass of Co = 58.9331 u

Atomic mass of Ni = 58.6934

For Li,be

Atomic mass of Li = 6.941 u

Atomic mass of  be = 9.012182 u

For I,xe

Atomic mass of I =  126.90447 u

Atomic mass of Xe = 131.293 u

Hence, the pair co,Ni is out of order in terms of atomic mass

7 0
2 years ago
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