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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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Answer:

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4 0
3 years ago
A rock falls off a cliff and hits the ground after three seconds. What is its velocity right before it hits the ground?
Amiraneli [1.4K]
To solve this kinematics formula use the following equation:

Vf = Vi + at
Vf = 0 + (9.81 m/s^2)(3 seconds)
Vf = 29.43 m/s and or about 29.4 m/s of reported to 3 significant figures.
4 0
4 years ago
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Which of the following compounds would be expected to have the strongest ionic bonds?
Luba_88 [7]

Answer:

Compound that has the smallest ions with the greatest charge.

Explanation:

4 0
3 years ago
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Which compound is produced when HCl(aq) is neutralized by Ca(OH)2(aq)?
Kisachek [45]
The answer is (1) CaCl2. The reaction formula of this is HCl + Ca(OH)2 = CaCl2 + H2O. This is a reaction of base and acid. So the production is CaCl2 and H2O.
6 0
3 years ago
What fraction can be used in conversion of 32 m3 to mm3
zimovet [89]
The calculation is (Measurement in m³ x 1000³)


Therefore

Measurement in m³ x 1 000 000

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5 0
3 years ago
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