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Alik [6]
3 years ago
14

The equation shows lead reacting with sulfuric acid to produce lead sulfate and hydrogen gas.

Chemistry
2 answers:
timofeeve [1]3 years ago
5 0
This equation represents a single replacement reaction. Single replacement reactions consist of one element reacting with one compound on the reactant side (left side of the equation) and they form one new element and one new compound on the product side of the equation (right side).
Serjik [45]3 years ago
4 0

Answer:

single replacement

Explanation:

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Explanation:

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3 years ago
2. From each of the following pairs of atoms, pick the atom that has
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Answer:

a) Na

c) Na

b) Sr

d) Ca

Explanation:

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As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

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3 years ago
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The neutral atom of lead must have 82 protons while ions can have b or less than 82.

The atomic number of an element is the number of protons in the nucleus of the element.

Also, for neutral atoms, the number of protons equals the number of electrons.

In ionic form, the number of protons/electrons of an atom may vary and be different from that of the neutral form.

Positive charges mean that the ion has less proton than its neutral version while negative charges mean that it has more electrons than its neutral version.

Thus, the neutral atom of lead will contain an equal number of protons as the electrons while its ionic form can have more or less than 82 protons.

More on atoms can be found here: brainly.com/question/803445?referrer=searchResults

6 0
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