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STatiana [176]
3 years ago
9

An alpha particle is equivalent to a _____ nucleus.

Chemistry
2 answers:
Allushta [10]3 years ago
8 0
An alp-ha particle is equivalent to the nucleus of a helium atom. Helium Atom = Answer.
Andreyy893 years ago
7 0

Answer:

helium

Explanation:

An alpha particle is helium with +2 charge. Helium atoms have two protons and two neutrons in its nucleus, and two electrons orbiting the nucleus. An alpha particle just resembles the nucleus of a helium atom. An alpha particle is released by a radioactive substance that has an unstable nucleus.

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Basile [38]
Try out earthquake epicenter
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3 years ago
A 1.268 g sample of a metal carbonate, MCO₃, was treated 100.00 mL of 0.1083 M H₂SO₄, yielding CO₂ gas and an aqueous solution o
attashe74 [19]

Answer:

MCO3 is BaCO3

The mass of CO2 produced is 0.28g of CO2

Explanation:

The first step in solving the question is to put down the balanced reaction equations as shown in the image attached. Secondly, we obtain the relative number of moles acid and base as mentioned in the question. The balanced neutralization reaction equation is used to obtain the number of moles of excess acid involved in the neutralization reaction.

This is then subtracted from the total number of moles acid to give the number of moles of acid that reacted with MCO3. From here, the molar mass of MCO3 and identity of M can be found. Hence the mass of CO2 produced is calculated as shown.

6 0
3 years ago
Question 22 (1 point)
aivan3 [116]

Answer:

im pretty sure its b

Explanation:

7 0
3 years ago
In a polyatomic ion, the -ate ending indicates one ____ oxygen than the -ite ending. A. more B. cannot be determined C. less D.
Aneli [31]
Correct answer is A: more :)
4 0
3 years ago
The atomic number can tell us how many neutrons are in an atom. Question 4 options: True False
Jet001 [13]

Answer:

true i think

Explanation:

5 0
3 years ago
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