3 years ago

How closely a measurement reflects the actual value is precision. True or False??

Chemistry

1 answer:

Rina8888 [55]3 years ago

7 0

Answer:

very very very verytrue

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Nonrenewable resources are resources that cannot be replaced naturally. Examples are oil, coal, and minerals.

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The yttrium- nuclide radioactively decays by electron capture. Write a balanced nuclear chemical equation that describes this pr

evablogger [386]

Answer:

See explanation and image attached

Explanation:

Yttrium has many isotopes, the lowest mass number of Yttrium is 89Y.

Recall that electron capture converts an electron into a proton and then into a neutron with a consequent emission of a neutrino (v).

In electron capture, the mass number of the daughter nucleus remains the same as that of the parent nucleus while the atomic number of the daughter nucleus is less than that of the parent by one unit.