The formula used to determine the number of electrons in an atomic shell is...

• n²

• 2n

• 2n²

• 2n³

Copper has an atomic number of 29 with the atomic arrangement per shell...

• 2-8-16-3

• 2-8-18-1

• 2-7-18-2

• 2-9-17-1

The number of valence electrons in a copper atom is...

• 4

• 3

• 2

• 1

The number of valence electrons in silicon and germanium is...

• 4

• 18

• 8

• 2

The subatomic particles that make up an atom are...

• Electrons, protons, and nucleus

• Element, protons, and neutrons.

• Electrons, protons, and neutrons.

• Electrons, protons, and insulation

What is the maximum number of electrons in the M shell of an atom?

• 18

• 16

• 8

• 6

Valence electrons are...

• the fourth orbit

• the orbit closest to the nucleus

• the outermost orbit

• various orbits around the nucleus

Which of the following is a non-metal conductor material...

• Aluminum

• Copper

• Graphite

• Mercury

A semiconductor will have...

• Four electrons in the outer shell

• Two electrons in the outer shell

• Six electrons in the outer shell

• Eight electrons in the outer shell

Which category of matter has very high resistance to electric current?

• Conductors

• Semiconductors

• Insulators

• Valence electrons