Atoms, atomic structure and electron configuration

The three parts of atoms are protons, neutrons, and (a)   .

Which 2 parts make up the atoms nucleus?

• Protons

• Electrons

• Neutrons

• Ions

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Arrangement of elements organized by atomic number is written in ....

• electron cloud

• Periodic Table

• electron configuration

Subatomic particle with a charge of -1: ....

• proton

• electron

• neutron

• quark

If an atom contains exactly three protons, then it's an atom of ....

• lithium

• gold

• nitrogen

• carbon

For an atom to be electrically neutral, it must contain the same number of ....

• protons and neutrons

• neutrons and electrons

• protons and electrons

• nucleons and electrons

The center of the atom, which contains protons and neutrons, is called ....

• the shell

• the nucleus

• the cell

• the control center