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Masteriza [31]
3 years ago
14

Who discovered the proton? Crookes Rutherford Balten Chadwick

Chemistry
1 answer:
Ronch [10]3 years ago
5 0

Answer:

Sir James Chadwick discovered proton  

Explanation:

Sir James Chadwick,  was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932. In 1941, he wrote the final draft of the MAUD Report, which inspired the U.S. government to begin serious atomic bomb research efforts.

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Plz help me solve this question is it A,B,C or D
kogti [31]

Answer:

c

Explanation:

to reduce pressure on the reactants

3 0
3 years ago
Which of the above solutions could be used to remove lead from lead (II) nitrate?
alisha [4.7K]

Ni solution could be used to remove lead from lead (II) nitrate.

Explanation:

The removal of lead from lead nitrate will take place by displacement reaction.

In displacement reaction less reactive element is displaced by more reactive element form it compound.

The reactivity is decided by the placement of metal in the activity series.

A metal which is at higher position in the activity series will be able to displace the metal or element having lower position.

From the options given we will check their position in the activity series in comparison to Pb

Cu is lower in series than Pb hence cannot displace.

Hg is placed lower in the series than Pb hence cannot displace Pb.

Ag is placed lower than Pb in the series hence cannot displace Pb.

Ni is placed above the Pb in activity series hence can displace lead.

8 0
3 years ago
I will give you 100 points and mark you as brainilest if you answer the whole thing correctly.​
Nookie1986 [14]

Answer:

1.)Al_{2} O_{3}

2.) Li_{3} N\\

3.) 2HCl

4.) MgO

5.) Mg and O_{2}

6.) H_{2} and O_{2}

7.)Na and Br_{2}

8.) 3 aluminums and 3 chlorides

Explanation:

6 0
3 years ago
When all parts of a circuit are composed of conducting materials, the circuit is said to
natima [27]
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8 0
4 years ago
 Water can dissolve other substances. Which factor best contributes to this property of water?
Sav [38]
<span>Water is known to be the universal solvent because it can mostly dissolve most of the substances. The reason behind its solvability is the bonding of intermolecular forces of attraction. The answer is letter B. Out of the many bondings between molecules, the bond that governs water is H bonding or hydrogen bonding. Water is composed mostly of two atoms of hydrogen one atom of oxygen. Both the hydrogen and oxygen are polar elements and hydrogen is bounded with a high electronegativity oxygen atom.</span>
6 0
3 years ago
Read 2 more answers
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