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bekas [8.4K]
3 years ago
12

Read the information about the three atoms given in the table. Which of them are isotopes of each other

Chemistry
1 answer:
lara [203]3 years ago
5 0
I think that the answer could be A. X and Y 
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In order to determine if 2 atoms are cooper what must be the same for each
galina1969 [7]
-number of electrons
-atom size
-charge of the atom
-number of protons
4 0
3 years ago
Which element decreases its oxidation number in this reaction? bicl2 + na2so4 → 2nacl + biso4?
kifflom [539]
The balanced reaction is as follows;
BiCl₂ + Na₂SO₄ --> 2NaCl + BiSO₄
this is a double displacement reaction 
the oxidation number of Bi is +2 in both BiCl₂ and BiSO₄
oxidation number of Cl is -1 in both BiCl₂ and NaCl 
oxidation number of Na is +1 in both Na₂SO₄ and NaCl
oxidation numbers of elements in SO₄²⁻ remains the same in both compounds.Therefore the oxidation state in any of the elements in the reaction doesn't change. Neither of the elements show an increase or decrease in the oxidation numbers .
Answer for this question is no element decreases its oxidation number.

5 0
3 years ago
Read 2 more answers
What is the capacity to do work known as?
yarga [219]

Answer:

it is energy

Explanation:

Energy is the ability to do work

6 0
3 years ago
What substances can be separated into simpler substances only by chemical means?
Mnenie [13.5K]

A compound is a substance that can be separated into simpler substances only by chemical means.

6 0
3 years ago
Which type of hybridization is observed when central atom is located at the centre of regular tetrahedron
Ann [662]

Answer:

sp3 hybridization

Explanation:

Hybridization means the mixing of atomic orbitals to yield hybrid orbitals with characteristics that are different from that of the isolated atomic orbitals before the combination.

sp3 hybridization occurs when one s orbital is mixed with three p orbitals to yield four sp3 hybrid orbitals which can be used to bond to a central atom.

The central atom is then located at the center of a regular tetrahedron at a bond angle of 109°.

3 0
2 years ago
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