A substāſice has a density of 5 g/mL and a volume of 10 mL. What is the mass of
this substance?*

They both have the same density.

Explanation:

Density = mass/volume

10g ÷ 4 = 2.5

13g ÷ 5.2 = 2.5

Explanation:

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.