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stellarik [79]
3 years ago
15

Which of the following is the same as a beta particle?

Chemistry
2 answers:
IceJOKER [234]3 years ago
8 0
A beta particle is the same as B. An electron. This is termed as such for a specific beta radioactive decay reaction.
Sergio [31]3 years ago
5 0

Answer:

An electron is the same as a beta particle.

Explanation:

Beta particles are electrons (β -) that are characterized by their high energy and speed produced by the radioactive decay of an atomic nucleus. The beta particle can also be a positron, β +.

That is, beta radiation is a form of ionizing radiation emitted by certain types of radioactive nuclei. This radiation takes the form of beta (β) particles, expelled from an atomic nucleus in a process known as beta decay. There are two forms of beta decay, β - and β +, which respectively emit an electron or a positron.

The beta particles are particles of mass and charge equal to the electron (β-) or positrons, whose mass is equal to the electron but of opposite charge (β +) resulting from the transformation of the neutrons or protons of the nucleus when it is in a excited state.

Then, <u><em>an electron is the same as a beta particle.</em></u>

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How many grams are there in 1.1 x 1027 molecules of water (H2O)?
Nezavi [6.7K]

Answer:

C) 3.3 x 104 grams

Explanation:

1 mole of water contains 6.02 × 10^23 atoms

1.1 × 10^27 atoms will contain;

1.1 × 10^27 ÷ 6.02 × 10^23

= 0.1827 × 10^( 27 - 23)

= 0.1827 × 10^(4)

= 1.827 × 10³ moles of water.

To convert mole to mass in grams, we use the formula;

mole (n) = mass (m) ÷ molar mass (MM)

Molar mas of water (H2O) = 1(2) of H + 16 of O = 18g/mol

mole = mass/molar mass

1.827 × 10³ = mass / 18

mass = 1.827 × 10³ × 18

mass = 32.886 × 10³

mass = 3.286 × 10⁴

mass = 3.3 × 10⁴ grams

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