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Free_Kalibri [48]
3 years ago
13

Write the name of the element that corresponds to each of the following symbols.

Chemistry
2 answers:
Fed [463]3 years ago
8 0
Kr= krypton
K= potassium
C=carbon
En= neon
Si= silicon
Au= gold
Ni= nitrogen
Br= berillium
Mg=magnesium
Mn= mangenese
Al: aluminum
ivolga24 [154]3 years ago
8 0
Kr= Krypton
K= potassium
C= carbon
Ne= neon
Si= silicon
Zr = zirconium
Sn= tin
Pt = platinum
Na = sodium
Al= aluminium
P = phosphorus
Cu= copper
Ag = silver
Mn= manganese
Au= gold
Mg = magnesium
Ni = nickel
Br = Bromine
Hg =Mercury
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Answer: Precision means that measurements are close to each other . Accuracy means that measurements are close to accepted value

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Precision refers to the closeness of two or more measurements to each other.  

For Example: If we weigh a given substance five times and you get 5.0 kg each time. Then the measurement is very precise.

Accuracy refers to the closeness of a measured value to a standard or known value.

For Example: If the mass of a substance is 5.0 kg and one person weighed 4.9 kg and another person weighed 3.9 kg. Then, the weight measured by first person is more accurate.

Thus Precision means that measurements are close to each other . Accuracy means that measurements are close to accepted value.

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