A student adds a rectangular block of mass 26.10 g to a graduated cylinder initially filled with 40.1 mL of water, but some water splashes out of the cylinder. As a result, the student reads the new level of the water to be 42.7 ml. Previously, the student had
measured the length, width and height of the block to be 3.0 cm by 1.0 cm by 1.0 cm.
Does the splash cause the volume of the block to be reported as too high or too low, compared to the volume calculated from the
length measurements?

The splash cause the volume of the block to be too high

Explanation:

This is because, from the previous measurement made by the student, the volume of the block is 5.7ml higher.

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.