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Ahat [919]
3 years ago
12

An atom of calcium-48 and an atom of calcium-47 differ in

Physics
2 answers:
Harrizon [31]3 years ago
4 0

The number of neutrons.


anygoal [31]3 years ago
3 0
The 48 and 47 are different atomic masses, this is caused by having a different number of neutrons.
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atoms bond together and forms molecules

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3 years ago
The melting point of potassium thiocyanate determined by a student in the laboratory turned out to be 174.5 oC. The accepted val
yaroslaw [1]

Answer:

0.75%

Explanation:

Measured value of melting point of potassium thiocyanate = 174.5 °C

Actual value of melting point of potassium thiocyanate = 173.2 °C

<em>Error in the reading = |Experimental value - Theoretical value|</em>

<em>= |174.5 - 173.2|</em>

<em>= |1.3|</em>

<em>Percentage error = (Error / Theoretical value) × 100</em>

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<em>= 0.75 %</em>

∴ Percentage error in the reading is 0.75%

4 0
3 years ago
Calculate the Force of Gravity acting on an object that has a mass of 1.3 kg. The object is on Earth so use 9.8m/s2 for the acce
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To calculate the gravitational force acting on an object given the mass and the acceleration due to gravity, use the following formula.

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The solution is C. 12.7 N.
7 0
3 years ago
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