Match the following items with the correct descriptions. 1. releases hydrogen ions
base
2. accepts hydrogen ions
eight
3. poor conductor of electricity
metal
4. shiny and lustrous
nonmetal
5. maximum number of electrons in first shell
acid
6. maximum number of electrons in second shell
two

1. NaOH

2.Acids

3.Tungsten

4. Diamond

5. The first electron shell is simply the electron shell that is closest to the nucleus. The first electron shell is very small, so it can only fit two electrons.

6. The second shell can hold a maximum of eight electrons. When this is filled, electrons go into the third shell, which also holds a maximum of eight electrons.

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

b. examine and describe cells