UAS TTL - 2024

The concept of electron orbits was introduced in the atomic model by..

• Dalton

• Rutherford

• Bohr

• Thomson

In a neutral atom, the number of electrons is equal to..

• The atomic mass

• The number of protons

• The number of neutrons

• The atomic number minus neutrons

In metals, the particles responsible for electrical conductivity are..

• Protons

• Free electrons

• Neutrons

• Electrons within the nucleus

Berapa jumlah maksimum elektron dalam kulit M sebuah atom?

• 18

• 16

• 8

• 2

Rumus yang digunakan untuk menentukan jumlah elektron dalam kulit atom adalah……

• n²

• 2n

• 2n²

• 2n³

Germanium memiliki nomor atom 32 dengan susunan atom per kulit…

• 2-8-16-6

• 2-8-18-4

• 2 -7-18-5

• 2-7-18-5

Partikel subatomik yang membentuk atom adalah...

• Electrons, protons, and nucleus

• Element, protons, and neutrons.

• Electrons, protons, and neutrons.

• Electrons, protons, and isulation

Electrons are primarily found in which part of an atom?

• The nucleus

• Orbitals around the nucleus

• The proton shell

• Neutron clouds

Electrons in the outermost shell of an atom are called..

• Core electrons

• Free electrons

• Valence electrons

• Conduction electrons

What happens to an atom if it gains an extra electron?

• It becomes positively charged

• It becomes negatively charged

• It remains neutral

• It becomes unstable