The three main groups of elements are metals, nonmetals, and Noble gases.
(A)
(B)
(C)
(D)
Isotopes.
Alkali metals.
Metalloids

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

What is the mass of 0.46 mol of mgcl2

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g